Where does “duplexity” come from?

duplexity (English) comes 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.

duplexity (English): The state of being duplex

Definitions

  1. The state of being duplex

Ancestry of “duplexity”, step by step

duplexity traces back through two separate lines of ancestry.

via English duplex

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

via English ity

StepLanguageWordMeaning
1Englishity
2Ingrian-uUsed to form nouns from verbs
Every word from Proto-Indo-European pel-Every word from Proto-Indo-European pleḱ-Every word from Proto-Italic plekāō