入にゅう冦こうにゅうこうMeanings1nouninvasion; encroachmentRare, literary term for invasion or encroachment, often used in historical or formal contexts. The kanji 冦 is obscure and rarely seen.古こ文ぶん書しょには、外がい敵てきの入にゅう冦こうを防ふせぐための策さくが記しるされている。The ancient document records measures to prevent invasion by foreign enemies.