Where does “Gallego” come from?

Gallego comes from Spanish gallego, from Latin Gallaecus, ultimately deriving from Proto-Indo-European kelh₂-, a root associated with concepts of brightness or distinction.

Ancestry of “Gallego”, step by step

StepLanguageWordMeaning
1SpanishgallegoGalician; Spaniard
2LatingallaecusGalician
3Proto-Indo-Europeankl̥H-ní-shill
Every word from Proto-Indo-European kl̥H-ní-s →Every word from Latin gallaecus →Every word from Spanish gallego →