【How-to】What does aside mean - Howto.org

aside (adv.) c. 1300, “off to one side;” mid-14c., “to or from the side;” late 14c., “away or apart from a normal direction or position, out of the way,” from a- (1) “on” + side (n.). Noun sense of “words spoken so as to be (supposed) inaudible” is from 1727.