Impetrate \IM-pi-treyt\ , verb;
1. To entreat; ask for
According to the Oxford English Dictionary impetrate came from Latin impetrat-, which is the participial stem of impetrare ("to obtain by request or exertion, to procure, effect"). It is a combination of im- + patrare ("into, in, within; on, upon; towards, against" + "to bring to pass, accomplish, achieve").
*Today's word and the first definition were both taken from Dictionary.com's 'Word of the Day' for Monday, November 29