Where does “tumorless” come from?

tumorless (English) comes from English tumor, from Middle English tumour, from Old French tumour, from Latin tumor, from Latin -or, from Proto-Italic -ōs, from Proto-Indo-European -ōs, from Proto-Indo-European -oss — Creates action nouns or result nouns from verbs;...

tumorless (English): Without tumors

Definitions

  1. Without tumors

Ancestry of “tumorless”, step by step

tumorless traces back through two separate lines of ancestry.

via English tumor

StepLanguageWordMeaning
1EnglishtumorAn abnormal growth; differential diagnosis...
2Middle Englishtumourtumour; The growth of tumours or boils
3Old Frenchtumourtumor
4LatintumorThe state of being swollen; A swelling, tumor;...
5Latin-orused to form a third-declension masculine...
6Proto-Italic-ōsCreates masculine action nouns or result nouns...
7Proto-Indo-European-ōsCreates masculine and feminine action nouns or...
8Proto-Indo-European-oss
9Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

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 -osEvery word from Latin -orEvery word from Latin tumor