Where does “iam estis” come from?

iam estis (Esperanto) comes from Esperanto estis, from Esperanto esti, from French est, from Middle French est, from Old French est, from Latin est, from Proto-Indo-European h₁ésti, from Proto-Indo-European h₁es- — to be.

iam estis (Esperanto): once upon a time stock phrase used to introduce a narrative of past events

Definitions

  1. once upon a time stock phrase used to introduce a narrative of past events

Ancestry of “iam estis”, step by step

iam estis traces back through two separate lines of ancestry.

via Esperanto estis

StepLanguageWordMeaning
1Esperantoestispast of esti
2Esperantoestito be
3Frenchesteast; third-person singular present indicative of...
4Middle Frenchestthird-person singular present indicative of estre
5Old Frenchestthird-person singular present indicative of estre
6Latinestthird-person singular present active indicative...
7Proto-Indo-Europeanh₁éstito be
8Proto-Indo-Europeanh₁es-to be

via Esperanto iam

StepLanguageWordMeaning
1Esperantoiamsometime, ever; once
2Esperantoi-Any-, some-
Every word from Proto-Indo-European h₁es-Every word from Proto-Indo-European h₁éstiEvery word from Latin est