Where does “unostentatiousness” come from?

unostentatiousness (English) comes from English unostentatious, from English ostentatious, from Latin ostentatus, from Latin ostentō, from Latin ostendō, from Latin obs-, from Latin ob-, from Latin obolus — to throw, reach, pierce; to hit by throwing.

unostentatiousness (English): The quality of being unostentatious

Definitions

  1. The quality of being unostentatious

Ancestry of “unostentatiousness”, step by step

unostentatiousness traces back through two separate lines of ancestry.

via English unostentatious

StepLanguageWordMeaning
1EnglishunostentatiousNot ostentatious; simple; unpresuming
2EnglishostentatiousOf ostentation; Intended to attract notice; Of...
3Latinostentatusexhibited, shown, having been exhibited; shown...
4Latinostentōto exhibit, show, present
5Latinostendōto expose to view, exhibit, show
6Latinobs-in front of
7Latinob-towards; against
8Latinobolusobolus (Greek coin)
9Ancient Greekὀβολόςobol, obolus, used at Athens as both a weight and...
10Ancient Greekὀβελόςa spit, rod; a horizontal line
11Ancient Greekβέλοςmissile, arrow, dart; weapon; something quickly...
12Proto-Indo-EuropeangʷélHos
13Proto-Indo-EuropeangʷelH-to throw, reach, pierce; to hit by throwing

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 gʷelH-Every word from Latin ob-Every word from Proto-Indo-European gʷélHos