noun
the universe; the cosmos
A classical Chinese-derived term referring to the entire universe or cosmos. It is literary and rarely used in modern conversation, where 宇宙 (うちゅう) is the standard word.
「六合」は、天地四方を合わせた宇宙全体を指す古い言葉だ。
六合 is an old word that refers to the entire universe, encompassing heaven, earth, and the four directions.