Latin unicus

← Latin ūnus (suffix)

← Latin icus (suffix)

→ Catalan únic (borrowed)

→ Welsh unig (borrowed)

→ Esperanto unika (mention)

→ Finnish ainoa (mention)

→ Norwegian Bokmål unik (derived)

→ Norwegian Nynorsk unik (derived)

→ Romanian unic (borrowed)

→ Albanian nuk (cognate)

→ Swedish unik (derived)