Etymograph

English

thyrotoxic

From thyro- + toxic.

A compound of thyro- + toxic

Proto-Indo-European *weyd- ‘to see’

…

Ancient Greek εἶδος

Ancient Greek θῠρεοειδής ‘Shield-shaped’

New Latin thyreoīdēs

English thyroid

English thyro-

French toxique

English toxic

Today it means

adj Marked by toxic activity of the thyroid gland.

Sources

Sources: Wiktionary, “thyrotoxic”. 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 / thyrotoxic