Where does “gyrīnus” come from?

gyrīnus (Latin) comes from Ancient Greek γυρῖνος, from Ancient Greek -ῖνος, from Ancient Greek -ῐνος, from Proto-Indo-European -iHnos, from Proto-Indo-European -no- — adjectival suffix.

Ancestry of “gyrīnus”, step by step

gyrīnus traces back through two separate lines of ancestry.

via Ancient Greek γυρῖνος

Step	Language	Word	Meaning
1	Ancient Greek	γυρῖνος	tadpole
2	Ancient Greek	-ῖνος	Alternative form of -ῐνος
3	Ancient Greek	-ῐνος	added to nouns or adverbs to form adjectives relating to material, time, and so on: made of, during the time of
4	Proto-Indo-European	-iHnos	Creates adjectives of materials
5	Proto-Indo-European	-no-	adjectival suffix

via Latin gȳrus

Step	Language	Word	Meaning
1	Latin	gȳrus	circle
2	Ancient Greek	γῦρος	ring, circle
3	Ancient Greek	μίτρα	A metal guard worn round the waist; A maiden's...
4	Proto-Indo-European	mey-	to strengthen; to bind; to change, exchange

Words derived from “gyrīnus”

Every word from Proto-Indo-European -no- →Every word from Ancient Greek -ῐνος →Every word from Proto-Indo-European -iHnos →