Where does “terraplanista” come from?

terraplanista (Galician) comes from Galician terra, from Old Portuguese terra, from Latin terra, from Proto-Italic terzā, from Proto-Indo-European ters-eh₂, from Proto-Indo-European ters- — dry.

terraplanista (Galician): flat-earther

Definitions

  1. flat-earther

Ancestry of “terraplanista”, step by step

terraplanista traces back through two separate lines of ancestry.

via Galician terra

StepLanguageWordMeaning
1Galicianterrasoil, earth; land, country; real estate...
2Old Portugueseterra
3Latinterraground, dry land; earth, soil, dirt; Earth's...
4Proto-Italicterzāearth
5Proto-Indo-Europeanters-eh₂
6Proto-Indo-Europeanters-dry

via Galician plano

StepLanguageWordMeaning
1Galicianplanoplanar, plane; of a geometrical plane; plane; any...
2Latinplānuma plain, level ground
3Latinplānuslevel, flat, even
4Ancient Greekπλάνοςwandering
5Ancient Greekπλανάωto make to wander, lead wandering about; to lead...
6Proto-Indo-Europeanpl-néh₂-ti
Every word from Proto-Indo-European ters-Every word from Proto-Indo-European ters-eh₂Every word from Proto-Italic terzā