Where does “undulat” come from?

undulat (Danish) comes from Late Latin undulatus, from Latin unda, from Proto-Indo-European wódr̥, from Proto-Indo-European wed-, from Proto-Indo-European wey- — to wither; fade; to move, go ahead; to be strong;...

undulat (Danish): budgerigar (Melopsittacus undulatus)

Definitions

budgerigar (Melopsittacus undulatus)

Ancestry of “undulat”, step by step

Step	Language	Word	Meaning
1	Late Latin	undulatus	undulated; wavy
2	Latin	unda	wave; billow
3	Proto-Indo-European	wódr̥	water
4	Proto-Indo-European	wed-	water
5	Proto-Indo-European	wey-	to wither; fade; to move, go ahead; to be strong;...

Every word from Proto-Indo-European wey- →Every word from Proto-Indo-European wed- →Every word from Proto-Indo-European wódr̥ →