The story
Blend of etymology + mythology. Though the term is modernly believed to be coined by linguist Laurence R. Horn in 2004, there are linguistic uses that go back to 1969 by Sean Valentine Golden.
Etymology from Wiktionary, CC BY-SA 4.0.
etymythology
e·ty·my·tho·lo·gyToday it means: A false etymology that has become widely disseminated and thus is commonly accepted as true; a folk etymology. Full definition →