Where does “bottomness” come from?

bottomness (English) comes from English bottom, from Middle English botme, from Old English botm, from Proto-Germanic butmaz, from Proto-Indo-European bʰudʰmḗn, from Proto-Indo-European dʰewbʰ-, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

bottomness (English): A quantum number of quarks and hadrons,...

Definitions

  1. A quantum number of quarks and hadrons,...

Ancestry of “bottomness”, step by step

bottomness traces back through two separate lines of ancestry.

via English bottom

StepLanguageWordMeaning
1EnglishbottomThe lowest part of anything; Character,...
2Middle EnglishbotmeThe lowest section of something; the bottom,...
3Old Englishbotmbottom; foundation; ground; abyss
4Proto-Germanicbutmazbottom; foundation; ground; abyss
5Proto-Indo-Europeanbʰudʰmḗnbottom
6Proto-Indo-Europeandʰewbʰ-deep
7Proto-Indo-Europeandʰewh₂-smoke; mist, haze

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 dʰewh₂-
bottomness — Etymology, Origin & Word History | Etymology Explorer