買い足す かいたす Also written 買足す Meanings Godan verb, Transitive to buy more (of something) Kanji 買 buy. Read as かう. 足 foot. Read as たす. Example sentences 「ワインは何本注文すればいい?」「手始めに10本注文して。必要ならいつでも2、3本買い足すことができるから」"How many bottles of wine should I order?" "Order ten to begin with. We can always buy two or three more if need be." Jinuma: Japanese Dictionary · Word lists