'foreseeably-maintained' originates from the combination of 'foreseeably' and 'maintained'. 'Foreseeably' comes from 'foresee', which originates from Old English 'foreseon', meaning 'to see beforehand'. 'Maintained' comes from Old French 'maintenir', meaning 'to hold in hand'.

'Foreseeably' evolved from the Old English 'foreseon', while 'maintained' evolved from the Old French 'maintenir'. The combination of these words into 'foreseeably-maintained' is a modern English construct.

Initially, 'foresee' meant 'to see beforehand', and 'maintain' meant 'to hold in hand'. The combination now implies keeping something in a predictable state.