出典:Wiktionary
出典:『Wiktionary』 (2026/04/01 03:29 UTC 版)
Uncertain. According to Nussbaum and De Vaan, from Proto-Italic *kʷaizō, from Proto-Indo-European *kʷeh₂- (“to acquire”), via a se/o-present built upon an i-present form *kʷeh₂y- (“to acquire”). In this case, cognates would include Ancient Greek πέπαμαι (pépamai, “to get, acquire”), Old Prussian quoi (“I/you want”) and quāits (“desire”), Lithuanian kviẽsti (“to invite”).
In some sources etymologized as being from Proto-Indo-European *kʷoys-, *kʷeys- (“to see”), but this was deemed uncertain by Schrijver in 1991.
LIV accepts Szemerényi's 1960 etymology that it is a derivation of *h₂eys- (“to seek, ask”), via the form *koaiseo.
quaerō (present infinitive quaerere, perfect active quaesīvī or quaesiī, supine quaesītum); third conjugation