Where does “sikker” come from?

sikker (Icelandic) comes from Danish sikker, from Middle Low German seker, from Old Saxon sikur, from Proto-West Germanic sikur, from Latin sēcūrus, from Latin sē-, from Latin sex, from Proto-Italic seks — six.

sikker (Icelandic): sure, certain

Definitions

  1. sure, certain

Ancestry of “sikker”, step by step

StepLanguageWordMeaning
1Danishsikkersafe, secure; sure, certain
2Middle Low Germanseker—
3Old Saxonsikur—
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 →