Latin word coquere comes from Proto-Indo-European *h₃p-ékʷ-, and later Proto-Italic *kʷekʷō (To cook.)
*h₃p-ékʷ- (Proto-Indo-European)
*pekʷ- (Proto-Indo-European)
*kʷekʷō (Proto-Italic)
To cook.
coquere (Latin)