←
English abaci (mention)
←
Middle English abacus (inherited)
←
Middle English abagus (mention)
←
Middle English agabus (mention)
←
Spanish ábaco (cognate)
←
Middle French abaque (cognate)
←
Old French abac (cognate)
←
Ancient Greek ἄβαξ (derived)
←
Ancient Greek ἄβαξ (derived(en/enm))
←
Italian abaco (cognate)
←
Latin abacus (derived(en/enm))
←
Portuguese ábaco (cognate)
→
English aback (mention)