幾いく歳さいMeanings1nounhow old; what agearchaicArchaic word for asking someone's age. In modern Japanese, 何歳 (なんさい) is used instead. May appear in historical texts or stylized writing.See also: 何歳「幾いく歳さいになられたか」と老ろう人じんが尋たずねた。"How old have you become?" the old man asked.