hypothyroidism.
The disease state caused by insufficient production of thyroid hormone by the thyroid gland.
Meaning & usage
The disease state caused by insufficient production of thyroid hormone by the thyroid gland.
Where this word comes from
Etymology tree Proto-Indo-European *upó Ancient Greek ῠ̔πό (hŭpó) Ancient Greek ὑπο- (hupo-)der. English hypo- Proto-Indo-European *dʰwer-der. Proto-Hellenic *tʰurā Ancient Greek θῠ́ρᾱ (thŭ́rā) Ancient Greek -εος (-eos) Ancient Greek θῠρεός (thŭreós) Proto-Indo-European *weyd- Proto-Indo-European *-os Proto-Indo-European *wéydos Proto-Hellenic *wéidos Ancient Greek εἶδος (eîdos) Proto-Indo-European *-os Proto-Indo-European *-ēs Proto-Hellenic *-ēs Ancient Greek -ης (-ēs) Ancient Greek -ειδής (-eidḗs) Ancient Greek θῠρεοειδής (thŭreoeidḗs)bor. New Latin thyreoīdēsbor. English thyroid Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íd͏̌d͏̌ō Ancient Greek -ῐ́ζω (-ĭ́zō) Proto-Indo-European *-mos Proto-Indo-European *-mós Ancient Greek -μός (-mós) Ancient Greek -ισμός (-ismós)der. English -ism English hypothyroidism Coined c. between 1900 and 1905 from hypo- (“under”) + thyroid + -ism.
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Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.