Where does “rašeliniště” come from?

rašeliniště (Czech) comes from Czech -iště, from Proto-Slavic -išče, from Proto-Slavic isk-je.

rašeliniště (Czech): bog

Definitions

Step	Language	Word	Meaning
1	Czech	-iště	Noun suffix used to denote a place, similar e.g....
2	Proto-Slavic	-išče	Denominal, denoting places or spaces; Denominal,...
3	Proto-Slavic	isk-je	—

rašeliniště — Etymology, Origin & Word History | Etymology Explorer