Where does “gody” come from?

gody (Proto-Slavic) comes from Proto-Slavic godъ, from Proto-Balto-Slavic gadas, from Proto-Indo-European gʰedʰ- — to join; to unite; to suit.

Ancestry of “gody”, step by step

Step	Language	Word	Meaning
1	Proto-Slavic	godъ	suitable, right time; holiday, feast; time, term
2	Proto-Balto-Slavic	gadas	—
3	Proto-Indo-European	gʰedʰ-	to join; to unite; to suit

gody — Etymology, Origin & Word History | Etymology Explorer