Where does “indecorousness” come from?

indecorousness (English) comes from English indecorous, from Latin indecorus, from Latin decorus, from Latin decor, 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;...

indecorousness (English): The quality of being indecorous

Definitions

  1. The quality of being indecorous

Ancestry of “indecorousness”, step by step

indecorousness traces back through two separate lines of ancestry.

via English indecorous

StepLanguageWordMeaning
1Englishindecorousimproper, immodest or indecent
2Latinindecorusunbecoming, unseemly, indecorous; disgraceful,...
3Latindecorusbecoming, fitting, proper, suitable; decorated,...
4Latindecorelegance, grace; beauty, charm
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 Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Proto-Indo-European -os