'collectively-unified' originates from the combination of 'collective' and 'unified', where 'collective' comes from Latin 'collectivus', meaning 'gathered together', and 'unified' from Latin 'unificare', meaning 'to make one'.

'Collective' and 'unified' were used separately in English before being combined to form 'collectively-unified', emphasizing a stronger sense of unity.

Initially, 'collective' and 'unified' had separate meanings, but when combined, they emphasize a stronger, more cohesive unity.