HSK5
zēng
increase
Phonosemantic compound. 土 represents the meaning and 曾 represents the sound.
土 Meaning component
tǔ
earth
曾 Sound component
céng, zēng
already
Bronze script
Seal script
Clerical script
Regular script
增
increase, add to, augment; to increase; to expand; to add
增加
to raise
增长
to grow
增强
to increase
to add
增援
to reinforce
Academia Sinica
Make Me a Hanzi
Unicode
Baxter-Sagart
Dong Chinese
CC-CEDICT
SUBTLEX-CH
MTSU Chinese text computing
漢語多功能字庫