obsoletism

noun

obsoletism

noun

Etymology From obsolete + -ism.

1

A disused word or phrase; an archaism.

He cannot place side by side with 'in respect of', some kindred obsoletism; because any obsoletism, it seems, is equally bad grammar1873, Fitzedward Hall, Modern English:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.