Where does “зихер” come from?

зихер (Serbo-Croatian) comes 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, from Proto-Italic seks — six.

зихер (Serbo-Croatian): sure, safe, certain; surely, safely, certainly

Definitions

  1. sure, safe, certain; surely, safely, certainly

Ancestry of “зихер”, step by step

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