tottering

horjuva

huojuva unsteady Unsteady, precarious or rickety.
unstable Unstable, insecure or wobbly.
(present participle of)
The movement of one who totters.
George Moore

Its faint descent tried the powers of the horse to keep back the car, and so feeble were his totterings that I began to fear we should miss the train(..)