cambiaba

first/third-person singular imperfect indicative of cambiar

Nouveau

(intransitive,transitive) to change, to shift, to switch, to alter
(transitive) to modify
(intransitive,transitive) to switch, to switch up, to change, to trade, to swap (usually + de) (when implying changing from one thing to another)
(transitive) to replace, to change out, to swap out
(formal,transitive) to exchange, to trade in
(figuratively,transitive) to turn around
(reflexive) to swap, to trade, to switch
(reflexive) to move (i.e., change from one place to another)