noun, takes する, transitive verb

  1. challenging (an unknown person), asking a person's identity.

Variations

Pronunciation Kanji Kana Is Common
誰何 すいか

Contained Kanji Breakdown

who, someone, somebody
だれ た スイ (11th)
say, word
い.う こと ゲン (2nd, N4)
dot, tick or dot radical (no. 3)
チュ (Kentei 1)
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
mouth
くち コウ ク (1st, N4)
bird, old bird radical (no. 172)
サイ スイ とり (Kentei 1)
human radical (no. 9)
lord, chief, master
シュ あるじ ぬし (3rd, N4)
king, rule, magnate
オウ -ノウ おお (1st, N3)
what
なに なん カ (2nd, N5)
human radical (no. 9)
can, passable, mustn't
カ コク -べ.き (5th)
street, ward, town
チョウ テイ チン (3rd, N1)
mouth
くち コウ ク (1st, N4)