-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.

-metry

1. Forming nouns relating to measures and measurement.

• geometry
• isometry
• symmetry
• trigonometry

• -meter
• -metric