Where does “frostsikker” come from?

frostsikker (Norwegian Bokmål) comes from Norwegian Bokmål sikker, 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 — six.

frostsikker (Norwegian Bokmål): frostproof

Definitions

  1. frostproof

Ancestry of “frostsikker”, step by step

frostsikker traces back through two separate lines of ancestry.

via Norwegian Bokmål sikker

StepLanguageWordMeaning
1Norwegian Bokmålsikkersafe, secure; sure, certain
2Danishsikkersafe, secure; sure, certain
3Middle Low Germanseker—
4Old Saxonsikur—
5Proto-West Germanicsikursecure, safe; sure, certain
6Latinsēcūruscareless, negligent
7Latinsē-apart-; aside-; away
8Latinsexsix; 6
9Proto-Italicsekssix
10Proto-Indo-Europeanswéḱssix

via Norwegian Bokmål frost

StepLanguageWordMeaning
1Norwegian Bokmålfrostfrost
2Old Norsefrostfrost
3Proto-Germanicfrustą—
Every word from Proto-Indo-European swéḱs →Every word from Latin sē- →Every word from Proto-Italic seks →