Where does “uodas” come from?

uodas (Proto-Baltic) comes from Proto-Indo-European h₃ed- — to smell, stink; to hate; to bite.

Ancestry of “uodas”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	h₃ed-	to smell, stink; to hate; to bite

uodas — Etymology, Origin & Word History | Etymology Explorer