'regularly-noticed' is a compound word formed from 'regularly' and 'noticed'. 'Regularly' originates from Latin 'regularis', meaning 'consistent', and 'noticed' comes from Latin 'notitia', meaning 'a being known'.

'Regularly' evolved from the Latin 'regularis' through Old French 'regulier', while 'noticed' evolved from Latin 'notitia' through Old French 'notice'.

Initially, 'regularly' meant 'in a straight line', and 'noticed' meant 'to know'. Over time, they evolved to mean 'frequently' and 'observed', respectively.