2indexing radical for characters whose backbone is a vertical with a hook
Tips
usage
亅 is the 竖钩 stroke (vertical with a hook at the bottom) elevated to a radical. It heads a tiny set of characters such as 了, 事, and 予 in traditional Kangxi indexing.
history
The character is never used as a free word; today it survives only as a stroke name and a dictionary slot.
Radical
HookKangxi #6
The vertical-hook radical. A structural index slot for characters whose silhouette is anchored by a downstroke ending in a hook (了, 事, 予). Not a standalone word; in modern Chinese it survives only as a stroke name and a Kangxi lookup header.
