Where does “ανοιξιάτικος” come from?

ανοιξιάτικος (Greek) comes from Greek -ιάτικος, from Greek -ικός, from Ancient Greek -ικός, from Ancient Greek -κός, from Proto-Indo-European -ḱos — -y, -ic.

ανοιξιάτικος (Greek): spring, spring-; resembling spring

Definitions

spring, spring-; resembling spring

Ancestry of “ανοιξιάτικος”, step by step

Step	Language	Word	Meaning
1	Greek	-ιάτικος	from nouns, denoting sense of time; "see" -ιάτικα
2	Greek	-ικός	Γαλλία + API → γαλλικός; Γαλλία + API →...
3	Ancient Greek	-ικός	of or pertaining to, in the manner of; -ic
4	Ancient Greek	-κός	forms adjectives with the sense of 'of or...
5	Proto-Indo-European	-ḱos	-y, -ic

Every word from Proto-Indo-European -ḱos →Every word from Ancient Greek -ικός →Every word from Ancient Greek -κός →