Where does “microtumor” come from?

microtumor (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;...

microtumor (English): A microscopic tumor

Definitions

  1. A microscopic tumor

Ancestry of “microtumor”, step by step

microtumor 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 micro

StepLanguageWordMeaning
1EnglishmicroSmall, relatively small; short form of...
2Ancient Greekμικρόςlittle, small
3Proto-Indo-Europeanmēy-soft, tender, dear
Every word from Proto-Indo-European -osEvery word from Latin -orEvery word from Latin tumor