Where does “septumless” come from?

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

septumless (English): Without a septum

Definitions

  1. Without a septum

Ancestry of “septumless”, step by step

septumless 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 septum

StepLanguageWordMeaning
1EnglishseptumA wall separating two cavities; a partition; A...
2Latinsēptum
Every word from Proto-Germanic *lausEvery word from Old English lēasEvery word from Middle English les