impone
To stake; to wager; to pledge.
obsolete, transitive
Against the which he has imponed, as I take it, six French rapiers and poniards.
Where it comes from
From Latin imponere, impositum (“to place upon”); prefix im- (“in”) + ponere (“to place”). See imposition.
Adapted from the Wiktionary entry impone (CC BY-SA 4.0).