cavumWiktionary 原文英美/ˈkɑv.əm/词源链原始词根原始印欧语Proto-Indo-European约前 4500–前 2500 年*ḱewh₁-拉丁语Latin约前 75–公元 3 世纪cavum‘a hollow, hole’↓ 借入英语Englishcavum词源说明Unadapted borrowing from Latin cavum (“a hollow, hole”). Doublet of cave and cavus.释义名词noun1(anatomy) A recess or hollow.2(meteorology) A fallstreak hole.同族词同源异形词 2cave·cavus