Where does “outro” come from?

outro (Old Portuguese) comes from Latin alter, from Proto-Indo-European h₂élteros, from Proto-Indo-European h₂el- — to grow, nourish; beyond, other; to wander, roam.

Ancestry of “outro”, step by step

StepLanguageWordMeaning
1Latinalterthe other, the second; the one...the other
2Proto-Indo-Europeanh₂élterosother , second
3Proto-Indo-Europeanh₂el-to grow, nourish; beyond, other; to wander, roam

Words derived from “outro”

Every word from Proto-Indo-European h₂el- →Every word from Proto-Indo-European h₂élteros →Every word from Latin alter →