Where does “inseguro” come from?

inseguro (Galician) comes from Galician seguro, from Old Portuguese seguro, from Latin sēcūrus, from Latin sē-, from Latin sex, from Proto-Italic seks, from Proto-Indo-European swéḱs — six.

inseguro (Galician): unsure, uncertain

Definitions

unsure, uncertain

Ancestry of “inseguro”, step by step

Step	Language	Word	Meaning
1	Galician	seguro	secure, safe
2	Old Portuguese	seguro	safe
3	Latin	sēcūrus	careless, negligent
4	Latin	sē-	apart-; aside-; away
5	Latin	sex	six; 6
6	Proto-Italic	seks	six
7	Proto-Indo-European	swéḱs	six

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