What does sur-rēmĭgo mean in Latin?

sur-rēmĭgo, a verb, means “to row underneath”.

verb

sur-rēmĭgo

sur-rēmĭgo (subr-), āre, v. n.,

I. to row underneath, to row along (very rare).

I. Lit.: laeva tacitis surremigat undis, Verg. A. 10, 227: bracchiis surremigans, Plin. 9, 29, 47, § 88.—

II. Trop.: surremigante seu potius velificante nequitiā, Calp. Fl. Decl. 20.

What does sur-rēmĭgo mean in Latin?: sur-rēmĭgo, a verb, means “to row underneath”.