ào
a hollow in the ground, a cavity, depression; undulating, depressed
variant of 坳; depression; cavity; hollow; Taiwan pr. [ao1]
Pictophonetic: semantic 土 (earth), phonetic 幼
Made of 土 + 幼
奥傲熬澳嗷凹敖懊翱拗鳌遨袄螯媪骜