圣

kū
(literary) to dig with persistent effort (e.g. to gather wild vegetables)

CEDICT

literary

Homographs

圣 shèng variant of 聖 shèng
聖 shèng
  1. (bound form) peerless (in wisdom, moral virtue, skill etc)
  2. (bound form) peerless individual; paragon (sage, saint, emperor, master of a skill etc)
  3. (bound form) holy; sacred