Middle English vouchen saufto warrant as safevouchento warrantvouchsaufsafesafe
American Heritage Dictionary of the English Language, 5th Edition
Vouchsafe Sentence Examples
Vouchsafe, O Theotokos, that I may offer pure supplications to the King of all, and ask remission of transgressions.
Upon this all the judges fell on their knees, seeking pardon for the form of their letter; but Coke ventured to declare his continued belief in the loyalty of its substance, and when asked if he would in the future delay a case at the king's order, the only reply he would vouchsafe was that he would do what became him as a judge.
But yet vouchsafe to us, Tityrus, who is this god of thine.
You could not have security, for salvation is only vouchsafe to you through the sealing of the Spirit.