Where does “*fīre” come from?

*fīre (Vulgar Latin) comes from Latin fiō, from Proto-Italic fuiō, from Proto-Indo-European bʰuH- — to become, grow, appear.

Ancestry of “*fīre”, step by step

StepLanguageWordMeaning
1Latinfiōto become, be made
2Proto-Italicfuiōto become
3Proto-Indo-EuropeanbʰuH-to become, grow, appear

Words derived from “*fīre”

Every word from Proto-Indo-European bʰuH- →Every word from Proto-Italic fuiō →Every word from Latin fiō →