What does 貫通 mean?
貫通 is a Japanese noun meaning “pierce” in English. It can also be translated as “being well versed (in)” depending on context. It is written as 貫通 in kanji, かんつう in hiragana, and kantsuu in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
矢が厚い板を貫通した。
The arrow pierced the thick board.