mettre en gage bedeutet auf Englisch

pawn [pawned, pawning, pawns]▼◼◼◼(give as security for loan)
verb
[UK: pɔːn] [US: ˈpɒn]

pledge [pledged, pledging, pledges]▼◼◼◻(to deposit something as a security; to pawn)
verb
[UK: pledʒ] [US: ˈpledʒ]