What is the meaning of ꜣt?

particular point in time, moment

span of time in general, time, while

a small unit of time, smaller than an hour (wnwt) but larger than a ḥꜣt; approximately a minute

striking power, readiness or ferocity to strike

Alternative form of jꜣt (mound)

Late Egyptian form of jꜣt (back, spine)

Late Egyptian form of jꜣt (standard for carrying cult images)

Alternative form of ꜣd (to be aggressive or angry)

Alternative form of ꜣdw (aggressor)

Alternative form of ꜣyt (to blanch)

Source: wiktionary.org