Where does “trente” come from?

trente (Norman) comes from Old French trente, from Latin trīgintā, from Proto-Indo-European tridḱómt, from Proto-Indo-European tri-, from Proto-Indo-European tréyes — three.

trente (Norman): thirty

Definitions

thirty

Ancestry of “trente”, step by step

Step	Language	Word	Meaning
1	Old French	trente	thirty
2	Latin	trīgintā	thirty; 30
3	Proto-Indo-European	tridḱómt	thirty
4	Proto-Indo-European	tri-	three, threefold
5	Proto-Indo-European	tréyes	three

Every word from Proto-Indo-European tréyes →Every word from Proto-Indo-European tri- →Every word from Proto-Indo-European tridḱómt →