Where does “selfsecure” come from?

selfsecure (English) comes from German selbstsicher, from German sicher, from Middle High German siher, from Old High German sihur, from Proto-West Germanic sikur, from Latin sēcūrus, from Latin sē-, from Latin sex — six.

selfsecure (English): Secure in oneself; self-assured; self-confident;...

Definitions

  1. Secure in oneself; self-assured; self-confident;...

Ancestry of “selfsecure”, step by step

StepLanguageWordMeaning
1Germanselbstsicherself-confident
2Germansichersafe, secure; sure, certain; safely
3Middle High Germansiher
4Old High Germansihur
5Proto-West Germanicsikursecure, safe; sure, certain
6Latinsēcūruscareless, negligent
7Latinsē-apart-; aside-; away
8Latinsexsix; 6
9Proto-Italicsekssix
10Proto-Indo-Europeanswéḱssix
Every word from Proto-Indo-European swéḱs