protirelin

Etymology tree
Proto-Indo-European *péh₂wr̥
Proto-Hellenic *pāwər
Ancient Greek πῦρ (pûr)
Proto-Indo-European *-rós
Proto-Hellenic *-rós
Ancient Greek -ρός (-rós)
Ancient Greek πῠρρός (pŭrrhós)der.
German Pyrrolbor.
English pyrrole
English -olidine
English pyrrolidine
English prolineder.
Translingual Pro
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
Ancient Greek -ης (-ēs)
Ancient Greek -ειδής (-eidḗs)
Ancient Greek θῠρεοειδής (thŭreoeidḗs)bor.
New Latin thyreoīdēsbor.
English thyroid
Ancient Greek -ο- (-o-)der.
Latin -o-bor.
English -o-
English thyro-
Proto-Indo-European *trep-der.
Ancient Greek τρέπω (trépō)
Ancient Greek -ᾱ (-ā)
Ancient Greek -η (-ē)
Ancient Greek τροπή (tropḗ)
Proto-Indo-European *-kos
Ancient Greek -κός (-kós)
Ancient Greek -ῐκός (-ĭkós)
Ancient Greek τροπῐκός (tropĭkós)bor.
English -tropic
Proto-Indo-European *-nós
Proto-Indo-European *-iHnos
Proto-Italic *-īnos
Latin -īnusder.
Old French -inbor.
Middle English -in
English -ineclip.
English -in
English -tropin
English thyrotropin
English release
▲
English -in
English -relin
English -tirelin
English protirelin
From Translingual Pro + English -tirelin (“thyrotropin releasing hormone analog”).