Acquenched: perished

To him, not without merit, the power to write the deeds of the apostles was given in ministry, as God was in Godful, and the sons of the lost and perished had made a prayer of the apostles, that through the lot of God’s appointment the number of apostles should be fulfilled, and so Paul should give fulfillment to the apostles’ deeds.

Deeds of Apostles, Prologue
Volume 4, page 507

Early Version
To whom not withoute desert power of wrytinge the dedis of the apostlis was ʒyue in mynistre, that God in God ful, and the sone of lost aquent, preier of the apostlis ymaad, thorw lott of Goddis eleccioun the noumbre schulde be fulfillid; and so Poul schulde ʒyue fulfillinge to the apostlis dedis.

Wycliffe Later Version
To him not without desert was ʒyue power to write the doyngis of apostlis in her minysterie, that God beinge ful in God, whanne the sone of perdicioun was deed, and the apostlis hadden maad her preier, thoru lot of the Lordis eleccioun the noumbre of the apostlis were fulfillid; and also that Poul schulde ende the doyngis of the ‘apostlis.

Wycliffe forms and reference: p.p. acquenchid, aquent, destroyed, quenched; Prologues: to Luke (p. 141) and Deeds of Apostles (p. 507).

Modern senses: to destroy, put out of existence, vanquish.

Old English -cwencan, -cwincan to vanish; Old Frisian quinka.