noun, takes する, transitive verb

  1. excavation, cutting, digging.

Variations

Pronunciation Kanji Kana Is Common
開削 かいさく
開鑿 かいさく

Contained Kanji Breakdown

open, unfold, unseal
カイ ひら.く あ.く (3rd, N4)
gate, counter for cannons
モン かど と (2nd, N2)
open, initiate, begin
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
twenty, twenty or letter H radical (no. 55)
キョウ ク にじゅう (Kentei 1)
plane, sharpen, whittle
けず.る サク そ.ぐ (Late Jr. High, N1)
resemblance
ショウ あやか.る (Early High School, N1)
month, moon
つき ゲツ ガツ (1st, N5)
knife, standing sword radical (no. 18)
トウ