Where does “falsiness” come from?

falsiness (English) comes from English falsy, from English false, from German falsch, from Italian falso, from Polish fałszywy, from Polish fałsz, from Middle High German valsch, from Latin falsus — to bend; to lie, deceive.

falsiness (English): The property of being falsy, i.e. evaluating to...

Definitions

  1. The property of being falsy, i.e. evaluating to...

Ancestry of “falsiness”, step by step

falsiness traces back through two separate lines of ancestry.

via English falsy

StepLanguageWordMeaning
1EnglishfalsyEvaluating to false in a Boolean context
2EnglishfalseUntrue, not factual, factually incorrect; Based...
3Germanfalschfalse, unfactual, untrue; wrong; fake, forged
4Italianfalsofalse; sham; forgery
5Polishfałszywyfalse
6Polishfałszdeceitfulness, phoniness; falsehood, falsity
7Middle High Germanvalsch
8Latinfalsusdeceived, tricked, cheated, disappointed, having...
9Latinfallōto deceive, beguile, trick, cheat, delude, ensnare, disappoint
10Proto-Indo-Europeanǵʰwel-to bend; to lie, deceive

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 ǵʰwel-Every word from Latin fallōEvery word from Latin falsus