Where does “sea pie” come from?

sea pie (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...

sea pie (English): A dish of crust or pastry with meat or fish,...

Definitions

  1. A dish of crust or pastry with meat or fish,...

Ancestry of “sea pie”, step by step

sea pie 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 sea

StepLanguageWordMeaning
1EnglishseaA large body of salt water; A lake, especially if...
2Middle Englishseesea, ocean; A body of water, a lake; seat, chair
3Old Englishsea, lake
4Proto-West Germanicsaiwisea
5Proto-Germanicsaiwizsea, ocean
6Proto-Germanicsīhwanąto filter
7Proto-Indo-Europeanseykʷ-to moisten; to filter
8Proto-Indo-Europeansey-to be wet; dribble; run; to stretch one's arm;...
Every word from Proto-Indo-European -tḗrEvery word from Ancient Greek -τρονEvery word from Ancient Greek μέτρον