Where does “ușuliță” come from?

ușuliță (Romanian) comes from Romanian -uliță, from Romanian -ul, from Old Romanian *-lu, from Latin illum, from Latin ille, from Latin olle, from Proto-Italic *olnos — that.

Ancestry of “ușuliță”, step by step

Step	Language	Word	Meaning
1	Romanian	-uliță	—
2	Romanian	-ul	variant of -l
3	Old Romanian	*-lu	—
4	Latin	illum	accusative masculine singular of ille
5	Latin	ille	that; those; "; demonstrative pronoun "; that...
6	Latin	olle	Archaic form of ille
7	Proto-Italic	*olnos	that

Every word from Proto-Italic *olnos →Every word from Latin olle →Every word from Latin ille →