Icelandic froskur

← Proto-Germanic *fruskaz (derived)

← Proto-Indo-European *prew- (derived)

← Old Norse froskr (derived)

→ English frosh (cognate)

→ German Frosch (cognate)

→ Icelandic froskdýr (affix)

→ Luxembourgish Fräsch (cognate)

→ Dutch vors (mention)

→ Pennsylvania German Frosch (cognate)