摳 (kau1) — delve into; study meticulously in Cantonese
kauˉ¹摳简 抠
Mandarin Pinyin: kou1
Meaning of 摳
noundelve into; study meticulously
nouncarve; cut (design)
nounmix together [used as variant of 溝]
nounstingy; miserly
noundig out with finger; scratch