Where does “pituitaryless” come from?

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

pituitaryless (English): Without a pituitary gland

Definitions

  1. Without a pituitary gland

Ancestry of “pituitaryless”, step by step

pituitaryless 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 pituitary

StepLanguageWordMeaning
1EnglishpituitaryOf or relating to the pituitary gland; Mucous;...
2Latinpituitariusmucous
3Latinpītuītamucus, phlegm
Every word from Proto-Germanic *lausEvery word from Old English lēasEvery word from Middle English les