English

intervariation

From inter- + variation.

Proto-Indo-European *h₁én ‘in’

Proto-Indo-European *h₁entér ‘between’

Proto-Italic *n̥ter ‘between’

Latin inter ‘between’

Latin varius ‘diverse, various, variegated’

Latin variō

Latin variātiō ‘difference, divergence, variation’

Old French variacion

Middle French variation

Today it means

noun variation between multiple things or conditions

Language periods are conventional ranges, not dates for this word.

Etymograph / intervariation