Where does “grandioseness” come from?

grandioseness (English) comes from English grandiose, from French grandiose, from Italian grandioso, from Italian -oso, from Latin -ōsus, from Old Latin -ōssus.

grandioseness (English): The state or condition of being grandiose

Definitions

  1. The state or condition of being grandiose

Ancestry of “grandioseness”, step by step

grandioseness traces back through two separate lines of ancestry.

via English grandiose

StepLanguageWordMeaning
1EnglishgrandioseLarge and impressive, in size, scope or extent;...
2Frenchgrandiosegrandiose
3Italiangrandiosograndiose, magnificent
4Italian-oso-ous, -ful, -y
5Latin-ōsusose, -ous, -ful (full of or overly prone to)
6Old Latin-ōssus

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 Old Latin -ōssusEvery word from Latin -ōsusEvery word from Italian -oso
grandioseness — Etymology, Origin & Word History | Etymology Explorer