Where does “pie crust” come from?

pie crust (English) comes from English PIE, from Middle English pie, from Old French pié, from Latin pēs, from Ancient Greek μέτρον, from Ancient Greek -τρον, from Proto-Hellenic -tron, from Proto-Indo-European -trom — Derives agent nouns from verbs, denoting someone...

pie crust (English): The crust of a pie

Definitions

  1. The crust of a pie

Ancestry of “pie crust”, step by step

pie crust traces back through two separate lines of ancestry.

via English PIE

StepLanguageWordMeaning
1EnglishPIEA type of pastry that consists of an outer crust and a filling. (Savory pies are more popular in the UK and sweet pies are more popular in the US, so "pie" without qualification has different connotations in these dialects.)
2Middle EnglishpieAlternative form of pye
3Old Frenchpiéfoot
4Latinpēsa foot, in its senses as
5Ancient Greekμέτρονsomething used to measure: measure, rule, weight;...
6Ancient Greek-τρονForms instrument nouns
7Proto-Hellenic-tronForms instrument nouns from verb stems
8Proto-Indo-European-tromForms nouns denoting a tool or instrument
9Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

via English crust

StepLanguageWordMeaning
1EnglishcrustA more solid, dense or hard layer on a surface or...
2Middle Englishcrustecrust
3Anglo-Normancruste
4LatincrustaThe hard surface of a body; rind, shell, crust,...
5Proto-Italic*krustos
6Proto-Indo-Europeankrustóshardened
7Proto-Indo-Europeankrews-to form a crust, begin to freeze
Every word from Proto-Indo-European -tḗrEvery word from Ancient Greek -τρονEvery word from Ancient Greek μέτρον