出典:Wiktionary
出典:『Wiktionary』 (2025/12/12 21:48 UTC 版)
From Proto-Italic *wakos, from Proto-Indo-European *h₁weh₂- (“to lack; empty”). The form in vo- possibly from vocīvus, shifted in pretonic syllable.
vacō (present infinitive vacāre, perfect active vacāvī or vacuī, supine vacātum); first conjugation, no passive