Polish ostry

← Proto-Balto-Slavic *aśras (mention)

← Proto-Indo-European *h₂ḱrós (mention)

← Proto-Indo-European *h₂eḱ- (mention)

← Proto-Slavic *ostrъ (inherited)

→ Latvian ass (cognate)

→ Polish ostro (suffix)

→ Polish ostrze (suffix)

→ Polish ostrość (suffix)

→ Polish Ostrzywilk (mention)

→ Polish Ostrach (mention)

→ Polish Ostry (mention)

→ Polish ostrowiec (affix)

→ Polish ostrosz (affix)

→ Polish nieostry (affix)