What does 潜入 mean?
潜入 is a Japanese noun meaning “infiltration, sneaking in” in English. It is written as 潜入 in kanji, せんにゅう in hiragana, and sennyuu in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
彼は農夫に身をやつして城下町に潜入した。
Disguising himself as a peasant, he crept into the castle town.