Where does “slippiness” come from?

slippiness (English) comes from English Ness, from Middle English nesse, from Old English næs, from Proto-Germanic nasją, from Proto-Indo-European néh₂s — nose.

slippiness (English): The state or condition of being slippy

Definitions

  1. The state or condition of being slippy

Ancestry of “slippiness”, step by step

slippiness traces back through two separate lines of ancestry.

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

via English slippy

StepLanguageWordMeaning
1EnglishslippySlippery; Spry, nimble
2EnglishslipA thin, slippery mix of clay and water; Mud,...
3Middle Dutchslippe
Every word from Proto-Indo-European néh₂s
slippiness — Etymology, Origin & Word History | Etymology Explorer