Where does “otros” come from?

otros (Latin) comes from Norwegian Nynorsk os, from Old Norse óss, from Proto-Germanic ansuz, from Old High German helm, from Proto-West Germanic helm, from Proto-Germanic helmaz, from Proto-Germanic halmaz, from Proto-Indo-European ḱolh₂mos — to pierce, strike; to stick; prick; stab.

Ancestry of “otros”, step by step

otros traces back through two separate lines of ancestry.

via Norwegian Nynorsk os

StepLanguageWordMeaning
1Norwegian Nynorskosan outlet, estuary, river mouth (where a river runs out of a lake, or enters a lake or the ocean)
2Old Norseóssmouth
3Proto-Germanicansuzdeity, god; name of the A-rune
4Old High Germanhelmhelmet
5Proto-West Germanichelmhelmet
6Proto-Germanichelmazhelmet
7Proto-Germanichalmazhalm; stem; stalk; straw; hay
8Proto-Indo-Europeanḱolh₂mosstalk
9Proto-Indo-Europeanḱelh₂-to pierce, strike; to stick; prick; stab

via Latin alter

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 “otros”

Every word from Proto-Indo-European ḱelh₂- →Every word from Proto-Indo-European ḱolh₂mos →Every word from Proto-Germanic halmaz →