Where does “fuiste” come from?

fuiste (Spanish) comes from Spanish ir, from Latin esse, from Ancient Greek οὐσία, from Ancient Greek εἰμί, from Proto-Hellenic ehmi, from Proto-Indo-European h₁ésmi, from Proto-Indo-European h₁ēs- — to be.

Definitions

Ancestry of “fuiste”, step by step

StepLanguageWordMeaning
1Spanishirto go (away from speaker and listener)
2Latinessepresent infinitive of sum; state, condition;...
3Ancient Greekοὐσίαthat which is one's own, one's substance,...
4Ancient GreekεἰμίTo be, exist; live; To be; it is possible
5Proto-Hellenicehmito be
6Proto-Indo-Europeanh₁ésmifirst-person singular present indicative of...
7Proto-Indo-Europeanh₁ēs-to be
Every word from Proto-Indo-European h₁ēs-Every word from Proto-Indo-European h₁ésmiEvery word from Proto-Hellenic ehmi