Where does “fii” come from?

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

fii (Romanian): plural of fiu sons; second-person singular...

Definitions

  1. plural of fiu sons; second-person singular...

Ancestry of “fii”, step by step

fii traces back through two separate lines of ancestry.

via Romanian fi

StepLanguageWordMeaning
1Romanianfito be; to feel
2Latinsūmto be, exist
3Proto-Italicezomto be
4Proto-Indo-Europeanh₁ésmifirst-person singular present indicative of...
5Proto-Indo-Europeanh₁ēs-to be

via Romanian fiu sons

StepLanguageWordMeaning
1Romanianfiu sons
Every word from Proto-Indo-European h₁ēs-Every word from Proto-Indo-European h₁ésmiEvery word from Proto-Italic ezom