noun, takes する, intransitive verb

  1. being covered with water (i.e. in a flood), being submerged, being inundated, flooding.

Variations

Pronunciation Kanji Kana Is Common
冠水 かんすい

Contained Kanji Breakdown

crown, best, peerless
カン かんむり か (8th, N1)
wa-shaped crown radical (no. 14)
ベキ (Kentei 1)
trim(刓) variant, round off
beginning, former time, origin
ゲン もと ガン (2nd, N4)
two, two radical (no. 7)
ニ ふた ふだ (1st, N5)
legs radical (no. 10)
ジン ニン がい (Kentei 1)
measurement, tenth of a shaku, a little
スン す みき (6th, N1)
water
みず スイ み (1st, N5)