Where does “twofoldness” come from?

twofoldness (English) comes from English twofold, from Middle English twofold, from Middle English twifold, from Old English twifeald, from Proto-Germanic twifaldaz, from Proto-Germanic twi-, from Proto-Indo-European dwi-, from Proto-Indo-European dwóh₁ — two.

twofoldness (English): The property of being twofold

Definitions

  1. The property of being twofold

Ancestry of “twofoldness”, step by step

twofoldness traces back through two separate lines of ancestry.

via English twofold

StepLanguageWordMeaning
1EnglishtwofoldDouble; duplicate; multiplied by two; Having two...
2Middle Englishtwofolddouble, twofold having two parts
3Middle Englishtwifolddouble, twofold having two parts
4Old Englishtwifealdtwofold, double, twice as much, twice the amount,...
5Proto-Germanictwifaldaztwofold; double
6Proto-Germanictwi-two, double
7Proto-Indo-Europeandwi-two; apart, asunder
8Proto-Indo-Europeandwóh₁two

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 dwóh₁Every word from Proto-Indo-European dwi-Every word from Proto-Germanic twi-
twofoldness — Etymology, Origin & Word History | Etymology Explorer