Where does “herba tioura” come from?

herba tioura (Galician) comes from Galician herba, from Old Portuguese erva, from Latin herba, from Proto-Indo-European ǵʰreh₁- — to become green, grow; to grow; to green, to grow.

Ancestry of “herba tioura”, step by step

herba tioura traces back through two separate lines of ancestry.

via Galician herba

StepLanguageWordMeaning
1Galicianherbaherb; weed; grass
2Old Portugueseervaherb; weed
3Latinherbagrass, herbage; herb; weeds
4Proto-Indo-Europeanǵʰreh₁-to become green, grow; to grow; to green, to grow

via Galician tioura

StepLanguageWordMeaning
1Galiciantioura
Every word from Proto-Indo-European ǵʰreh₁-Every word from Latin herbaEvery word from Old Portuguese erva