Etymograph

English

thyrotoxin

From thyro- + toxin.

A compound of thyro- + toxin

Proto-Indo-European *weyd- ‘to see’

…

Ancient Greek εἶδος

Ancient Greek θῠρεοειδής ‘Shield-shaped’

New Latin thyreoīdēs

English thyroid

English thyro-

Latin toxicum ‘a poison used on the tips of arrows’

English toxin

Today it means

noun Any thyrotoxic substance.

Sources

Sources: Wiktionary, “thyrotoxin”. 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 / thyrotoxin

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