Catalan seixanta

← Spanish sesenta (cognate)

← French soixante (cognate)

← Proto-Indo-European *sweḱsḱomt (inherited)

← Proto-Indo-European *swéḱs-dḱomt (mention)

← Latin sexāgintā (inherited)

← Occitan seissanta (cognate)

→ Catalan seixanta-un (mention)

→ Catalan seixanta-dos (mention)

→ Catalan seixanta-tres (mention)

→ Catalan seixanta-quatre (mention)

→ Catalan seixanta-cinc (mention)

→ Catalan seixanta-sis (mention)

→ Catalan seixanta-set (mention)

→ Catalan seixanta-vuit (mention)

→ Catalan seixanta-nou (mention)

→ Catalan seixantè (affix)

→ Catalan seixanta-u (mention)