Where does “drizzly” come from?

Drizzly comes from English drizzle, which derives from English dryseling, formed with the Middle French diminutive suffix -ie from Latin -ia, ultimately from Proto-Indo-European -kos.

drizzly (English): Abounding with drizzle; drizzling

Definitions

Abounding with drizzle; drizzling

Ancestry of “drizzly”, step by step

Step	Language	Word	Meaning
1	English	-y	Added to nouns and adjectives to form adjectives...
2	Middle English	-y	Designates an adjective, in many cases formed by...
3	Old English	-iġ	-y, -ic
4	Proto-West Germanic	-g	Forms adjectives from nouns and verbs with a...
5	Proto-Germanic	-gaz	-y
6	Proto-Indo-European	-ḱos	-y, -ic

Every word from Proto-Indo-European -ḱos →Every word from English -y →Every word from Old English -iġ →