back-paddle

[ bak-pad-l ]
/ ˈbækˌpæd l /

verb (used without object), back-pad·dled, back-pad·dling.

to propel a boat by paddling backward, as by using a stroke in the direction of stern to bow.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019