Wiktionary
diacritical hook
n. 1 Any specific, (l/en: hamiform) diacritic; variously: 2 # An (l/en: ogonek) ((l mul ˛)). 3 # A (l/en: retroflex hook) ((l mul ̢)). 4 # A (l/en: cedilla) ((l mul ¸)). 5 # (non-gloss definition: other similar diacritics)