Where does “retroiri” come from?

retroiri (Esperanto) comes from Esperanto iri, from Latin īre, from Proto-Italic eō, from Proto-Italic ejō, from Proto-Indo-European h₁éyti, from Proto-Indo-European h₁ey- — to go.

retroiri (Esperanto): to go back

Definitions

  1. to go back

Ancestry of “retroiri”, step by step

StepLanguageWordMeaning
1Esperantoirito go
2Latinīre—
3Proto-ItaliceōI go
4Proto-Italicejō—
5Proto-Indo-Europeanh₁éytito go, to be going
6Proto-Indo-Europeanh₁ey-to go
Every word from Proto-Indo-European h₁ey- →Every word from Proto-Indo-European h₁éyti →Every word from Proto-Italic ejō →