Where does “εὐεστώ” come from?

εὐεστώ (Ancient Greek) comes from Ancient Greek εἰμί, from Proto-Hellenic ehmi, from Proto-Indo-European h₁ésmi, from Proto-Indo-European h₁ēs- — to be.

εὐεστώ (Ancient Greek): well-being, prosperity

Definitions

well-being, prosperity

Ancestry of “εὐεστώ”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	εἰμί	To be, exist; live; To be; it is possible
2	Proto-Hellenic	ehmi	to be
3	Proto-Indo-European	h₁ésmi	first-person singular present indicative of...
4	Proto-Indo-European	h₁ēs-	to be

Every word from Proto-Indo-European h₁ēs- →Every word from Proto-Indo-European h₁ésmi →Every word from Proto-Hellenic ehmi →