English

epimutation

From epi- + mutation; compare epigenetic.

Proto-Indo-European *h₁épi ‘on’

Proto-Hellenic *epí

Ancient Greek ἐπί ‘on, upon’

English epi-

Latin mūtō

Latin mūtātiō ‘change, alteration’

Old French mutacion

Middle English mutacioun ‘alteration, change, modification’

Today it means

noun A heritable change in gene expression that does not affect the actual base pair sequence of DNA.

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

Etymograph / epimutation