Where does “gyrotropic” come from?

gyrotropic (English) comes from English gyrotropy, from English gyro, from English gyroscope, from French gyroscope, from Ancient Greek σκοπός, from Ancient Greek σκέπτομαι, from Proto-Hellenic sképťomai, from Proto-Indo-European spéḱyeti — to see, to look, to observe.

gyrotropic (English): Of, pertaining to, or exhibiting gyrotropy

Definitions

  1. Of, pertaining to, or exhibiting gyrotropy

Ancestry of “gyrotropic”, step by step

gyrotropic traces back through two separate lines of ancestry.

via English gyrotropy

StepLanguageWordMeaning
1EnglishgyrotropyThe helical movement of electromagnetic radiation...
2EnglishgyroA gyroscope; A gyrocompass; An autogyro
3Englishgyroscopean apparatus composed of a wheel which spins...
4Frenchgyroscopegyroscope
5Ancient Greekσκοπόςwatcher, lookout; protector, guardian; spy, scout
6Ancient GreekσκέπτομαιI look at, examine; I examine, consider, think
7Proto-Hellenicsképťomaito look at
8Proto-Indo-Europeanspéḱyetito be looking at, to keep looking at
9Proto-Indo-Europeanspeḱ-to see, to look, to observe

via English ic

StepLanguageWordMeaning
1Englishicrelated or pertaining to; having the character of

Words derived from “gyrotropic

Every word from Proto-Indo-European speḱ-Every word from Proto-Indo-European spéḱyetiEvery word from Proto-Hellenic sképťomai