Where does “fi” come from?

fi (Romanian) comes from Latin sūm, from Proto-Italic ezom, from Proto-Indo-European h₁ésmi, from Proto-Indo-European h₁ēs- — to be.

fi (Romanian): to be; to feel

Definitions

  1. to be; to feel

Ancestry of “fi”, step by step

fi traces back through two separate lines of ancestry.

via Latin sūm

StepLanguageWordMeaning
1Latinsūmto be, exist
2Proto-Italicezomto be
3Proto-Indo-Europeanh₁ésmifirst-person singular present indicative of...
4Proto-Indo-Europeanh₁ēs-to be

via Vulgar Latin *fīre

StepLanguageWordMeaning
1Vulgar Latin*fīre—
2Latinfiōto become, be made
3Proto-Italicfuiōto become
4Proto-Indo-EuropeanbʰuHto grow, become

Words derived from “fi”

Every word from Proto-Indo-European h₁ēs- →Every word from Proto-Indo-European h₁ésmi →Every word from Proto-Italic ezom →