Literally meaning: “poisoning because of thyroid”
Origin: Anc Greek
θυρεοειδής/thyreodes(=shield-shaped) > θυρεός/thyreos(=blazon, shield) > θύρα/thyra (=door, as this type of Greek shield resembled to an large oblong door)
(poison used to poison arrow heads) > τόξον/toxon(bow)
-ωσις/-osis (=osis, suffix denoting “process” or “state )
Thyrotoxocosis is a metabolic abnormality caused by elevation of thyroid hormone in serum because of thyroid gland hyperactivity. Thyrotoxicosis is similar but not synonymous to hyperthyroidism as it can be caused by ingestion of exogenous thyroid hormones.