Where does “weirless” come from?

weirless (English) comes from English weir, from Middle English were, from Middle English weren, from Old English werian, from Proto-West Germanic waʀjan, from Proto-Germanic warjaną, from Proto-Indo-European wēr-, from Proto-Indo-European wer- — to burn; to cover, heed, notice; squirrel.

weirless (English): Without a weir

Definitions

  1. Without a weir

Ancestry of “weirless”, step by step

weirless traces back through two separate lines of ancestry.

via English weir

StepLanguageWordMeaning
1EnglishweirAn adjustable dam placed across a river to...
2Middle EnglishwereSecond-person singular past indicative form of...
3Middle EnglishwerenPlural past indicative form of been; Plural...
4Old Englishwerianto wear; to defend, protect
5Proto-West Germanicwaʀjanto clothe
6Proto-Germanicwarjanąto ward off, to defend against; to thwart, to...
7Proto-Indo-Europeanwēr-true
8Proto-Indo-Europeanwer-to burn; to cover, heed, notice; squirrel

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
Every word from Proto-Indo-European wer-