The story
- Proto-Indo-European*med-
- Proto-Indo-European*meh₁-
- Ancient Greekμέτρον (métron)
- English today-metry
From Old French -métrie, from Latin -metria, from Ancient Greek -μετρία (-metría), from μέτρον (métron, “measurement”) + -ίᾱ (-íā, “-y: forming abstract nouns”). Equivalent to -meter + -y.
Etymology from Wiktionary, CC BY-SA 4.0.