Where does “carēna” come from?

carēna (Latin) comes from Late Latin quadragēna, from Latin quadrāgēnus, from Latin -ārius, from Proto-Italic *-āzios.

Ancestry of “carēna”, step by step

Step	Language	Word	Meaning
1	Late Latin	quadragēna	—
2	Latin	quadrāgēnus	—
3	Latin	-ārius	—
4	Proto-Italic	*-āzios	—

carēna — Etymology, Origin & Word History | Etymology Explorer