From Wiktionary, the free dictionary
Balto-Slavic innovation. Inherited from Proto-Balto-Slavic *-īt-jas . Cognates include Lithuanian -ytis , Latvian -ītis .
*-iťь m
Denominal, forming masculine attributables from action or agent nouns.
*kъrma , *kъrmľa ( “ fodder, breast milk ” ) → *kъrmiťь ( “ nursling ” )
*batę ( “ elder brother ” ) , *baťa ( “ father ” ) → *baťiťь ( “ son who resembles his father ” )
Denominal, forming masculine diminutives from masculine nouns.
*kozьlъ ( “ billy goat ” ) → *kozьliťь ( “ kid goat ” )
*otrokъ ( “ boy ” ) → *otročiťь ( “ child ” )
*bogъ ( “ god ” ) → *božiťь ( “ juvenile god ” )
*pъta ( “ fowl ” ) → *pъtiťь ( “ birdie ” )
Denominal, forming patronyms and metronyms .
Slovene: Janež → Janežič
Denominal, forming demonyms .
Russian: Москва ( Moskva ) → москвич ( moskvič )
Slovene: Celovec → Celovčič , Podgora → Podgorčič
*dręgy, *dręgъve ( “ swamp ” ) → Russian Дреговичи ( Dregoviči ) (East Slavic tribe)
*obъ Odrě ( “ around Oder ” ) → *obodriťь ( “ Obotrites ” )
Deadjectival, denoting a carrier of a property.
*golъ ( “ naked ” ) → *goliťь ( “ something naked ” )
*bělъ ( “ white ” ) → *běliťь ( “ something white ” )
( by extension ) Denoting a carrier of a property but with a diminutive meaning through a parallel word formation from deadjectival nouns and adjectives.
*moldъ ( “ young ” ) , *moldę ( “ youngling ” ) → *moldiťь ( “ youngling ” )
* -ьmь in North Slavic, -emь in South Slavic.
East Slavic:
Old East Slavic: -ичь ( -ičĭ )
Belarusian: -іч ( -ič )
Russian: -ич ( -ič )
Ukrainian: -ич ( -yč )
Old Novgorodian: -иць ( -ićĭ )
South Slavic:
Old Church Slavonic:
Glagolitic script: -ⰹⱋⱐ ( -ištĭ )
Old Cyrillic script: -ищь ( -ištĭ )
Bulgarian: -ич ( -ič ) , -ичко ( -ičko )
Macedonian: -иќ ( -iḱ )
Serbo-Croatian:
Cyrillic script: -ић
Latin script: -ić
Slovene: -ič
West Slavic:
Czech: -ic
Kashubian: -ëc
Old Polish: -ic , -yc
Slovak: -ic
Sorbian:
Lower Sorbian: -ic
Upper Sorbian: -ic
Šekli, Matej (2012 ) “Besedotvorni pomeni samostalniških izpeljank v praslovanščini”, in Philological Studies [1] (in Slovene), volume 10 , number 1, Skopje, Perm, Ljubljana, Zagreb, pages 115–32