Where does “tini” come from?

tini (Latin) comes from Latin tinus, from Dutch Martinus, from Latin Mārs, from Proto-Indo-European -ḱos — -y, -ic.

tini (Latin): nominative plural of tīnus; genitive singular of...

Definitions

Step	Language	Word	Meaning
1	Latin	tinus	laurestine
2	Dutch	Martinus	—
3	Latin	Mārs	—
4	Proto-Indo-European	-ḱos	-y, -ic

tini — Etymology, Origin & Word History | Etymology Explorer