Where does “cornerpiece” come from?

cornerpiece (English) comes from English corner, from English -er, from Middle English -er, from Old French -er, from Latin -āre, from Proto-Italic -āō, from Proto-Indo-European -eh₂yéti, from Proto-Indo-European -yéti — he, she.

cornerpiece (English): Part of an object that fits at its corner

Definitions

  1. Part of an object that fits at its corner

Ancestry of “cornerpiece”, step by step

cornerpiece traces back through two separate lines of ancestry.

via English corner

StepLanguageWordMeaning
1EnglishcornerThe point where two converging lines meet; an...
2English-erA person or thing that does an action indicated...
3Middle English-eragentive suffix; agent noun suffix
4Old French-erAlternative form of -ier, verbal suffix;...
5Latin-ārefirst conjugation
6Proto-Italic-āōForms primarily denominative verbs
7Proto-Indo-European-eh₂yétiCreates iterative/ frequentative/ intensive...
8Proto-Indo-European-yétiCreates intransitive, often deponent,...
9Proto-Indo-Europeanyé-
10Chichewaiyehe, she

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
Every word from Chichewa iye