Where does “duplicitousness” come from?

duplicitousness (English) comes from English duplicitous, from English duplicity, from English duplex, from Latin duplex, from Latin plico, from Proto-Italic plekāō, from Proto-Indo-European pleḱ-, from Proto-Indo-European pel- — to cover, to wrap; skin, hide, cloth; to fold.

duplicitousness (English): The state or condition of being duplicitous

Definitions

  1. The state or condition of being duplicitous

Ancestry of “duplicitousness”, step by step

duplicitousness traces back through two separate lines of ancestry.

via English duplicitous

StepLanguageWordMeaning
1EnglishduplicitousGiven to or marked by deliberate deceptiveness in...
2EnglishduplicityIntentional deceptiveness; double-dealing
3EnglishduplexDouble, made up of two parts; Bidirectional;...
4Latinduplextwofold, double; bipartite, cloven; ambiguous
5LatinplicoI fold, bend or flex; I roll up; I arrive
6Proto-Italicplekāō
7Proto-Indo-Europeanpleḱ-to fold, plait, weave
8Proto-Indo-Europeanpel-to cover, to wrap; skin, hide, cloth; to fold

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 pel-