Where does “armpiece” come from?

armpiece (English) comes from English piece, from Middle English pece, from Old French piece, from Vulgar Latin pettia, from Latin pettia, from Gaulish pettyā, from Proto-Celtic kʷezdis — piece, portion.

armpiece (English): A piece of armour that protects the arm; A...

Definitions

  1. A piece of armour that protects the arm; A...

Ancestry of “armpiece”, step by step

armpiece traces back through two separate lines of ancestry.

via English piece

StepLanguageWordMeaning
1EnglishpieceA part of a larger whole, usually in such a form...
2Middle Englishpecepiece; morsel; bit
3Old Frenchpiecepiece, bit, part; circa 1170, Chrétien de Troyes
4Vulgar Latinpettiapiece, portion
5Latinpettiapiece, portion
6Gaulishpettyā
7Proto-Celtickʷezdispiece, portion

via English Arm

StepLanguageWordMeaning
1EnglishArmAbbreviation of Armenian
2Middle Englisharmarm; poor; miserable, wretched
3Old Englishearmarm; poor, miserable
4Proto-West Germanicarmarm; poor, miserable; pitiful, pitiable
5Proto-Germanicarmazarm; poor, miserable; pitiful, pitiable
6Proto-Indo-Europeanh₂ermos
7Proto-Indo-Europeanh₂er-to fit, to fix, to put together
Every word from Proto-Celtic kʷezdisEvery word from Gaulish pettyāEvery word from Latin pettia