Where does “lax” come from?

Lax comes from Latin laxus, from Proto-Germanic lahsaz, from Proto-Indo-European laḱs-, a root also reflected in laks-.

lax (English): A salmon; Lenient and allowing for deviation; not...

Definitions

  1. A salmon; Lenient and allowing for deviation; not...

Ancestry of “lax”, step by step

lax traces back through two separate lines of ancestry.

via Middle English lax

StepLanguageWordMeaning
1Middle Englishlaxsalmon
2Old Englishleaxa salmon
3Proto-West Germaniclahssalmon
4Proto-Germaniclahsazsalmon
5Chinese拉薩
6Tibetanལྷ་སLhasa
7Old Tibetanར་ས

via Latin laxus

StepLanguageWordMeaning
1Latinlaxuswide, spacious, roomy; yielding; loose, slack,...
2Proto-Indo-European(s)lēg-to let go; weak, feeble; loose; dissolute, lewd;...

Words derived from “lax

Every word from Old Tibetan ར་ས
lax — Etymology, Origin & Word History | Etymology Explorer