Where does “*arruborare” come from?

*arruborare (Vulgar Latin) comes from Latin rubor, from Latin -or, from Proto-Italic -ōs, from Proto-Indo-European -ōs, from Proto-Indo-European -oss, from Proto-Indo-European -os — Creates action nouns or result nouns from verbs;...

Ancestry of “*arruborare”, step by step

StepLanguageWordMeaning
1Latinruborredness; blush; modesty
2Latin-orused to form a third-declension masculine...
3Proto-Italic-ōsCreates masculine action nouns or result nouns...
4Proto-Indo-European-ōsCreates masculine and feminine action nouns or...
5Proto-Indo-European-oss
6Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

Words derived from “*arruborare

Every word from Proto-Indo-European -os