idiotsäker (Swedish) comes from Swedish säker, 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.
idiotsäker (Swedish): foolproof
Definitions
foolproof
Ancestry of “idiotsäker”, step by step
idiotsäker traces back through two separate lines of ancestry.