貫通 かんつう
kantsū

Noun
Suru Verb

1. passing through (of a tunnel, bullet, etc.); going (right) through; penetrating; piercing

Transitive
あつ いた貫通 かんつうした。
yaga atsui itao kantsū shita.
The arrow pierced the thick board.
Noun
Suru Verb

2. being well versed (in)

Transitive
Archaic