Where does “rupestru” come from?

rupestru (Romanian) comes from French rupestre, from Latin rūpestris, from Latin -estris, from Latin terrestris, from Latin Terra, from Proto-Indo-European ters- — dry.

rupestru (Romanian): rocky

Definitions

rocky

Ancestry of “rupestru”, step by step

Step	Language	Word	Meaning
1	French	rupestre	rocky
2	Latin	rūpestris	that lives on cliffs or rocks
3	Latin	-estris	Derives adjectives from nouns primarily meaning "dwelling, located in"
4	Latin	terrestris	Of or pertaining to the earth or land;...
5	Latin	Terra	Terra goddess of the Earth
6	Proto-Indo-European	ters-	dry

Every word from Proto-Indo-European ters- →Every word from Latin Terra →Every word from Latin -estris →