Where does “serumless” come from?

serumless (English) comes from English serum, from Latin Serum, from Proto-Indo-European sēr-, from Proto-Indo-European ser- — to flow; to guard; to bind, to tie together.

serumless (English): Lacking serum

Definitions

  1. Lacking serum

Ancestry of “serumless”, step by step

serumless traces back through two separate lines of ancestry.

via English serum

StepLanguageWordMeaning
1EnglishserumThe clear yellowish liquid obtained upon...
2LatinSerumwhey
3Proto-Indo-Europeansēr-to flow
4Proto-Indo-Europeanser-to flow; to guard; to bind, to tie together

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 ser- →Every word from Proto-Indo-European sēr- →Every word from Latin Serum →