Portuguese arco

← Proto-Indo-European *h₂erkʷo- (derived)

← Latin arcus (inherited)

← Old Portuguese arco (inherited)

← Old Portuguese arquo (mention)

→ Indonesian arku (borrowed)

→ Portuguese arqueiro (affix)

→ Portuguese arco-íris (mention)

→ Portuguese besta (link)

→ Portuguese setor (link)

→ Portuguese Arcos de Valdevez (mention)