English
heterograde
From hetero- + -grade (“variation”)
Formed from hetero + grade ‘variation’
Proto-Indo-European *gʰradʰ-
Proto-Italic *graðus
Latin gradus ‘a step’
Middle French grade ‘a grade’
English grade
Today it means
adj Having a variable magnitude
Language periods are conventional ranges, not dates for this word.
Etymograph / heterograde