垢 あか dirt N1 #14,100 Meanings noun dirt; filth; grime く noun, Buddhism klesha (polluting thoughts such as greed, hatred and delusion, which result in suffering) アカ noun, Internet slang, abbreviation account (e.g. for an online service) Its kanji 垢 コウ、ク · あか、はじ dirt, grime, earwax