Where does “terra” come from?

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

Ancestry of “terra”, step by step

StepLanguageWordMeaning
1Latinterraground, dry land; earth, soil, dirt; Earth's...
2Proto-Italicterzāearth
3Proto-Indo-Europeanters-eh₂—
4Proto-Indo-Europeanters-dry

Words derived from “terra”

Every word from Proto-Indo-European ters- →Every word from Proto-Indo-European ters-eh₂ →Every word from Proto-Italic terzā →