Where does “trenta-sisè” come from?
trenta-sisè (Catalan) comes from Catalan trenta-sis, from Catalan trenta, from Old Catalan trenta, from Latin trīgintā, from Proto-Indo-European tridḱómt, from Proto-Indo-European tri-, from Proto-Indo-European tréyes — three.
trenta-sisè (Catalan): thirty-sixth
Ancestry of “trenta-sisè”, step by step