Where does “Țăposu” come from?

Țăposu (Romanian) comes from Romanian țepos, from Romanian țeapă, from Albanian thep, from Proto-Albanian tsaipa, from Proto-Indo-European ḱoypos.

Ancestry of “Țăposu”, step by step

StepLanguageWordMeaning
1Romanianțeposspiky
2Romanianțeapăstick; spike; thorn, prick, spine, splinter
3Albaniantheppeak; point; cog
4Proto-Albaniantsaipa—
5Proto-Indo-Europeanḱoypos—
Every word from Proto-Indo-European ḱoypos →Every word from Proto-Albanian tsaipa →Every word from Albanian thep →