Where does “Sicherheitslücke” come from?

Sicherheitslücke (German) comes from German Sicherheit, 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.

Sicherheitslücke (German): vulnerability, security hole, security bug

Definitions

  1. vulnerability, security hole, security bug

Ancestry of “Sicherheitslücke”, step by step

Sicherheitslücke traces back through two separate lines of ancestry.

via German Sicherheit

StepLanguageWordMeaning
1GermanSicherheitcertainty; security; safety
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

via German Lücke

StepLanguageWordMeaning
1GermanLückegap, lacuna
2Middle High Germanlücke—
3Old High Germanluccha—
Every word from Proto-Indo-European swéḱs →Every word from Latin sē- →Every word from Proto-Italic seks →