Where does “mrowiskowiec” come from?

mrowiskowiec (Polish) comes from Polish -owiec, from Polish -ec, from Old Polish -ec, from Proto-Slavic -ьcь, from Lithuanian -ikas, from Proto-Indo-European -iḱos — -y, -ic.

mrowiskowiec (Polish): very large, multi-storey apartment block, typical of housing in former socialist countries

Definitions

very large, multi-storey apartment block, typical of housing in former socialist countries

Ancestry of “mrowiskowiec”, step by step

Step	Language	Word	Meaning
1	Polish	-owiec	-er; appended to some fruit or seed names to form...
2	Polish	-ec	A masculine suffix
3	Old Polish	-ec	forms nouns
4	Proto-Slavic	-ьcь	Forms diminutives from nouns; Forms nouns from...
5	Lithuanian	-ikas	—
6	Proto-Indo-European	-iḱos	-y, -ic

Every word from Proto-Indo-European -iḱos →Every word from Polish -ec →Every word from Polish -owiec →