Where does “sigureală” come from?

sigureală (Romanian) comes from Romanian sigur, from Greek σίγουρος, from Venetian seguro, from Latin sēcūrus, from Latin sē-, from Latin sex, from Proto-Italic seks, from Proto-Indo-European swéḱs — six.

sigureală (Romanian): certainty

Definitions

certainty

Ancestry of “sigureală”, step by step

Step	Language	Word	Meaning
1	Romanian	sigur	sure, confident, certain; safe, secure
2	Greek	σίγουρος	secure, certain
3	Venetian	seguro	safe, secure; certain
4	Latin	sēcūrus	careless, negligent
5	Latin	sē-	apart-; aside-; away
6	Latin	sex	six; 6
7	Proto-Italic	seks	six
8	Proto-Indo-European	swéḱs	six

Every word from Proto-Indo-European swéḱs →Every word from Latin sē- →Every word from Proto-Italic seks →