Where does “thyrocalcitonin” come from?

thyrocalcitonin (English) comes from English calcitonin, from English tonic, from English tone, from Middle English tone, from Latin tonus, from Ancient Greek τόνος, from Proto-Hellenic tónos, from Proto-Indo-European tónos — to stretch, to extend.

Ancestry of “thyrocalcitonin”, step by step

StepLanguageWordMeaning
1Englishcalcitoninthyrocalcitonin
2EnglishtonicPertaining to tension, especially of muscles;...
3EnglishtoneA specific pitch; An interval of a major second;...
4Middle Englishtonethe one
5LatintonusThe stretching or straining of a rope; A strain;...
6Ancient Greekτόνοςrope, cord; chord; tone, note
7Proto-Hellenictónosrope, cord; tension
8Proto-Indo-Europeantónossomething stretched; chord, fiber, string
9Proto-Indo-Europeanten-to stretch, to extend
Every word from Proto-Indo-European ten-
thyrocalcitonin — Etymology, Origin & Word History | Etymology Explorer