Where does “zipperless” come from?

zipperless (English) comes from English less, from Middle English les, from Old English lēas, from Proto-Germanic *laus.

zipperless (English): Without a zip fastener

Definitions

  1. Without a zip fastener

Ancestry of “zipperless”, step by step

zipperless traces back through two separate lines of ancestry.

via English less

StepLanguageWordMeaning
1EnglishlessTo a smaller extent or degree; comparative form...
2Middle Englishlesfalse; lying; deceptive; falsehood; a lie
3Old Englishlēasfalse, lax; false, void, loose; devoid of, loose...
4Proto-Germanic*laus

via English zipper

StepLanguageWordMeaning
1EnglishzipperA zip fastener; A pressure-sensitive plastic...
2EnglishZIPInitialism of Zone Improvement Plan; A ZIP code;...
Every word from Proto-Germanic *lausEvery word from Old English lēasEvery word from Middle English les