The Collaborative International Dictionary of English v.0.48:
Amble \Am"ble\, v. i. [imp. & p. p. Ambled; p. pr. & vb. n.
Ambling.] [F. ambler to amble, fr. L. ambulare to walk, in
LL., to amble, perh. fr. amb-, ambi-, and a root meaning to
go: cf. Gr. ? to go, E. base. Cf. Ambulate.]
1. To go at the easy gait called an amble; -- applied to the
horse or to its rider.
2. To move somewhat like an ambling horse; to go easily or
without hard shocks.
The skipping king, he ambled up and down. --Shak.
Sir, your wit ambles well; it goes easily. --Shak.