What does 垢 mean?
垢 is a Japanese noun meaning “grime, ingrained dirt” in English. It is written as 垢 in kanji, あか in hiragana, and aka in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
いつもあかだらけで、食事も満足に与えられていない様子でした。
He was always filthy and looked like he wasn't given enough food.