Partly from Anglo-Normanrepasser, partly from - + pass.
Full definition of repass
Verb
To pass (back) again, especially in the opposite direction; to return.
1603, John Florio, translating Michel de Montaigne, Essays, Folio Society 2006, vol. 1, p. 221:Isabell Queene of England, being to repasse from Zeland into her Kingdome with an armie, ... had utterly beene cast away, had she come unto the Port intended ....