Where does “interesse” come from?

interesse (Old French) comes from Medieval Latin interesse, from Latin interesse, 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.

Ancestry of “interesse”, step by step

StepLanguageWordMeaning
1Medieval Latininteressepresent active infinitive of intersum; to...
2Latininteressepresent active infinitive of intersum; to...
3Latinessepresent infinitive of sum; state, condition;...
4Ancient Greekοὐσίαthat which is one's own, one's substance,...
5Ancient GreekεἰμίTo be, exist; live; To be; it is possible
6Proto-Hellenicehmito be
7Proto-Indo-Europeanh₁ésmifirst-person singular present indicative of...
8Proto-Indo-Europeanh₁ēs-to be

Words derived from “interesse

Every word from Proto-Indo-European h₁ēs-