Where does “výsypka” come from?

výsypka (Czech) comes from Czech vysypat, from Czech vý-, from Old Czech vy-, from Proto-Slavic vy-, from Proto-Balto-Slavic ū́, from Proto-Indo-European úd — out, outward.

výsypka (Czech): slag heap

Definitions

slag heap

Ancestry of “výsypka”, step by step

Step	Language	Word	Meaning
1	Czech	vysypat	to pour out, to empty sth
2	Czech	vý-	A noun forming prefix, often indicating the...
3	Old Czech	vy-	derives verbs of various meanings
4	Proto-Slavic	vy-	out
5	Proto-Balto-Slavic	ū́	—
6	Proto-Indo-European	úd	out, outward

Every word from Proto-Indo-European úd →Every word from Czech vý- →Every word from Proto-Balto-Slavic ū́ →