Hook (diacritic)

In typesetting, the hook or tail is a diacritic mark attached to letters in many alphabets. In shape it looks like a hook and it can be attached below as a descender, on top as an ascender and sometimes to the side. The orientation of the hook can change its meaning: when it is below and curls to the left it can be interpreted as a palatal hook, and when it curls to the right is called hook tail or tail and can be interpreted as a retroflex hook. It should not be mistaken with the hook above, a diacritical mark used in Vietnamese, or the rhotic hook, used in the International Phonetic Alphabet.

◌̡◌̢
Hook
Diacritics in Latin & Greek
accent
acute´
double acute˝
grave`
double grave ̏
circumflexˆ
caron, háčekˇ
breve˘
inverted breve  ̑  
cedilla¸
diaeresis, umlaut¨
dot·
palatal hook  ̡
retroflex hook  ̢
hook above ̉
horn ̛
iota subscript ͅ 
macronˉ
ogonek, nosinė˛
perispomene ͂ 
overring˚
underring˳
rough breathing῾
smooth breathing᾿
Marks sometimes used as diacritics
apostrophe’
bar◌̸
colon:
comma,
full stop/period.
hyphen˗
prime′
tilde~
Diacritical marks in other scripts
Arabic diacritics
Early Cyrillic diacritics
kamora ҄
pokrytie ҇
titlo ҃
Hebrew diacritics
Indic diacritics
anusvaraं ং ଂ ം
avagrahaऽ ঽ ଽ ఽ ഽ ྅
chandrabinduँ ఁ ྃ
nuqta़
virama् ് ్ ್ ් ်
visargaः ঃ ଃ ஃ
Gurmukhī diacritics
Khmer diacritics
Thai diacritics
IPA diacritics
Japanese kana diacritics
dakuten ゙
handakuten ゚
Syriac diacritics
Related
Dotted circle◌
Punctuation marks
Logic symbols
Latin
ᶏ
ᶐ
Ɓɓᶀ
Ꞗꞗ
ƇƈꟄꞔ
Ɗɗᶁ
Ɖɖᶑ
ᶒꬴ
ᶕɚ
ᶓ
ᶔɝ
Ƒƒᶂ
Ɠɠʛ
ᶃꬶ
Ɦɦʱꞕ
ɧʮʯ
ᶖ
Ʝʝᶨʄ
Ƙƙᶄ
ᶅᶪ
ɭᶩꞎ
Ɱɱᶬᶆ
ꬺ
Ɲɲᶮ
ɳᶯᶇ
ꬻꬼ
ᶗ
Ƥƥᶈ
ꝒꝓꝔꝕ
ʠ
Ɋɋ
Ɽɽᶉ
ⱹɻʵ
ꭉꭊ
Ȿȿᶊ
Ʂʂᶳ
ᶋᶘ
Ƭƭ
Ʈʈƫᶵ
ᶙꭒꭟ
ᶌⱱ
Ʋʋᶹ
Ⱳⱳ
ᶍ
Ƴƴ
Ȥȥʐᶼ
ⱿɀꟆᶎ
ᶚƺ
Cyrillic
Ӻӻ
Ҋҋ
Ӄӄ
Ԓԓ
Ӆӆ
Ӎӎ
Ӈӈ
Ԩԩ
Ӊӊ
Ӽӽ

Letter Z with tophook — became letter , .

Letter X with two high hooks — became letter .

Different types of hook diacritics

Letters with hook

It could be argued that the hook was used to derive the letter J from the letter I, or the letter Eng (ŋ) from the letter N. However, these letters are usually not identified as being formed with the hook.

Most letters with hook are used in the International Phonetic Alphabet, and many languages use them (along with capitals) representing the same sounds.

The hook often attaches to the top part of the letter, curling to the left or to the right, finishing the ascender if present. It may then be referred to as a crook, in some languages like French[1] more commonly than in English that is less successful in mitigating the semantic overload of the hook term.

If the hook attaches to the bottom part of the letter, it is often called a palatal hook if it curls to the left, or a retroflex hook if it curls to the right.

Latin alphabet
LettersNameHook position
ᶏA with retroflex hookbottom
ᶐScript a or alpha with retroflex hookbottom
ƁɓB with hooktop
ꞖꞗB with flourishleft
ᶀB with palatal hookbottom
Ƈƈ C with hooktop
ꟄꞔC with palatal hookbottom
ƊɗD with hooktop
ƉɖAfrican d or d with tailbottom
ᶑD with hook and tailtop and bottom
ᶁD with palatal hookbottom
ꬴE with flourishleft
ᶒE with retroflex hookbottom
ɚSchwa with hookright
ᶕSchwa with retroflex hookbottom
ᶓOpen e or epsilon with retroflex hookbottom
ɝReversed open e or epsilon with hookright
ᶔReversed open e or epsilon with retroflex hookbottom
ƑƒF with hookbottom
ᶂF with palatal hookbottom
ƓɠG with hooktop
ʛSmall capital g with hooktop
ᶃG with palatal hookright
ꬶScript g with crossed-tailbottom
ꞪɦʱH with hooktop
ꞕH with palatal hookbottom right
ɧHeng with hooktop
ʮTurned h with fishhooktop
ʯTurned h with fishhook and tailtop and bottom
ᶖI with retroflex hookbottom
ꞲʝᶨJ with crossed-tailbottom
ʄDotless j with stroke and hooktop
ƘƙK with hooktop
ᶄK with palatal hookbottom
ᶅᶅL with palatal hookbottom
ɭᶩL with retroflex hookbottom
ꞎL with retroflex hook and beltbottom
ⱮɱᶬM with hookbottom
ᶆM with palatal hookbottom
ꬺM with crossed-tailbottom
ƝɲᶮN with left hookbottom left
ᶇN with palatal hookbottom right
ɳᶯN with retroflex hookbottom right
ꬻN with crossed-tailbottom
ꬼEng with crossed-tailbottom
ᶗOpen o with retroflex hookbottom
ƤƥP with hooktop
ᶈP with palatal hookright
ꝒꝓP with flourishleft middle
ꝔꝕP with squirrel tailleft top
ʠQ with hooktop
ɊɋSmall q with hook tailbottom
ⱤɽR with tailbottom left
ᶉR with palatal hookbottom
ⱹTurned r with tailtop
ɻʵTurned r with hookbottom
ꭉR with crossed-tailbottom
ꭊDouble r with crossed-tailbottom
ɾR with fishhookbottom
ᶊS with palatal hookbottom right
ꟅʂᶳS with retroflex hookbottom left
ⱾȿS with swash tailbottom right
ᶋEsh with palatal hookright
ᶘEsh with retroflex hookbottom
ƬƭT with hooktop
ƫƫT with palatal hookbottom
ƮʈT with retroflex hookbottom
ꭒꭟU with left hooktop left
ᶙU with retroflex hookbottom
ᶌV with palatal hookbottom
ⱱV with right hooktop
ƲʋυScript v or v with hooktop
ⱲⱳW with hooktop right
ᶍX with palatal hookbottom right
ƳƴY with hooktop right
ȤȥZ with hookbottom
ꟆᶎZ with palatal hookbottom
ʐᶼZ with retroflex hookbottom
ⱿɀZ with swash tailbottom
ᶚEzh with retroflex hookbottom
ƺEzh with tailbottom
ꜬꜭCuatrillo tailbottom
ꜮꜯCuatrillo hookbottom
Cyrillic alphabet
ӺӻGhe with stroke and hookbottom
ҊҋShort i with tailbottom right
ӃӄKa with hookbottom right
ԒԓEl with hookbottom right
ӅӆEl with tailbottom right
ӍӎEm with tailbottom right
ӇӈEn with hookbottom right
ԨԩEn with left hookbottom left
ӉӊEn with tailbottom right
ӼӽHa with hookbottom right

Unicode

Unicode has the combining diacritics U+0321  ̡  COMBINING PALATALIZED HOOK BELOW (HTML ̡) and U+0322  ̢  COMBINING RETROFLEX HOOK BELOW (HTML ̢) but these are not recommended to be used with letters, and should be used to illustrate the hooks themselves. Instead Unicode recommends the use of characters that already include the hook.

The U+02DE ˞ MODIFIER LETTER RHOTIC HOOK (HTML ˞) is used to mark an r-colored vowel.

See also

References

  1. As in the non-standard French translation of the UCS ListeNoms.
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