Radical
Strokes
8
Residual strokes
3
Mandarin
Teochew

Glyph

Radical
Residual strokes
3 strokes
Strokes
8 strokes
Mandarin

Definitions by reading

kug4
Mandarin equivalent
Regional readings
19th-century Fucheng kud4 Chaoyang kug4 Chenghai kug4 Jieyang kug4 Raoping kug4 Shantou kug4
kū
【矻矻】努力、勤劳的样子:终日~~ | 孜孜~~。
潮州母语资料库

English meaning

toil, slave away; busy

GuangyunPhonological reconstruction

1
溪母 一等 合口 魂韵 入声 苦骨切
Reconstruction:
Original

用心矻矻。