Where does “ostadar” come from?

ostadar (Basque) comes from Basque ortzi, from Proto-Basque *ortzi — sky.

ostadar (Basque): rainbow

Definitions

  1. rainbow

Ancestry of “ostadar”, step by step

ostadar traces back through two separate lines of ancestry.

via Basque ortzi

StepLanguageWordMeaning
1Basqueortzisky
2Proto-Basque*ortzisky

via Basque adar

StepLanguageWordMeaning
1Basqueadarhorn; branch
Every word from Proto-Basque *ortziEvery word from Basque ortzi