HSK10+
yōu
sad
Phonosemantic compound. 心 represents the meaning and 夔 represents the sound.
夔 Sound component
kuí
one-legged monster
心 Meaning component
xīn
heart
Bronze script
Seal script
Clerical script
Regular script
忧 (憂)
sad, grieved; grief, melancholy; to worry; to concern oneself with; worried; anxiety; sorrow; (literary) to observe mourning
担忧
to worry
忧郁
sullen
忧伤
distressed
忧
忧虑
Sound component in 3 characters (2 verified)
優 擾 懮
Academia Sinica
Make Me a Hanzi
Unicode
Baxter-Sagart
Dong Chinese
CC-CEDICT
SUBTLEX-CH
MTSU Chinese text computing
季旭昇《說文新證》p.793-794