Lithuanian -iukas

← English -ock (cognate)

← Proto-Germanic *-ukaz (cognate)

← Proto-Balto-Slavic *-ukos (derived)

← Lithuanian -ùkas (mention)

← Latvian -uks (cognate)

← Proto-Slavic *-ъkъ (cognate)

→ Lithuanian paukščiukas (affix)

→ Lithuanian ėriukas (affix)