Simplified from 溝 (冓 → 勾) - Compare 购, simplified from 購.
Unorthodox form simplified from 泃 (句 → 勾). Note that in informal writing, 厶 (尖口) and 口 (方口) are often not distinguished from one another.
|For pronunciation and definitions of 沟 – see 泃 (“Ju river, river that flows from Hebei province to Tianjin; etc.”).|
(This character, 沟, is a variant form of 泃.)
Phono-semantic compound (形聲): semantic 氵 (“water”) + phonetic 勾 (OC *koː, *koːs).
- ‡ sound of water