yǎo
obscure, secluded; refined
(literary) deep; profound; dim (variant of 杳)
Pictophonetic: semantic 穴 (cave), phonetic 幼
Made of 穴 + 幼
要药钥摇邀咬耀遥妖腰谣夭肴窑姚瑶尧杳吆舀徭鹞崾鳐幺曜