大きに

Etymology
Appears from the as the  of adjective. Analyzable as +

The sense of  arose as a clipping of, literally  +.

Adverb

 * 1) greatly, considerably
 * 2) generously, bigheartedly
 * 1) generously, bigheartedly

Interjection

 * : thank you
 * 1)  completely, absolutely, exactly