Basque hiru

← Proto-Basque *(h)iluŕ (inherited)

← Iberian ilun (cognate)

→ Basque hamahiru (mention)

→ Basque hirurogei (mention)

→ Basque hogeita hiru (mention)

→ Basque berrogeita hiru (mention)

→ Basque hirurogeita hiru (mention)

→ Basque hiruki (compound)

→ Basque Irulegi (affix)

→ Basque hirugarren (affix)

→ Basque hamairu (affix)

→ Basque hiruhortz (compound)