Etymograph

English

toxify

Attested since 1917, apparently a back-formation from detoxify.

Formed from toxic + -ify

French toxique

English toxic

The story

Attested since 1917, apparently a back-formation from detoxify. (attested since 1905).

Full etymology on Wiktionary

Today it means

verb To make or render toxic.

Sources

Sources: Wiktionary, “toxify”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / toxify