noun, takes する, intransitive verb

  1. tunneling (through), excavation, drilling, boring.

Variations

Pronunciation Kanji Kana Is Common
掘進 くっしん

Contained Kanji Breakdown

dig, delve, excavate
ほ.る クツ ぼり (7th, N2)
hand, hand radical (no. 64)
シュ
yield, bend, flinch
クツ くっ かが.む (7th, N1)
corpse, remains, flag radical (no. 44)
シ かたしろ (Kentei 1)
exit, leave, go out
で.る だ.す シュツ (1st, N5)
mountain
やま サン セン (1st, N5)
advance, proceed, progress
シン すす.む のぶ (3rd, N3)
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)
dot, tick or dot radical (no. 3)
チュ (Kentei 1)
king, rule, magnate
オウ -ノウ おお (1st, N3)
one, one radical (no.1)
イチ いっ ひと- (1st, N5)