adv. From a definite past time until now; as, he went a month
ago, and I have not seen him since.
adv. In the time past, counting backward from the present;
before this or now; ago.
adv. When or that.
prep. From the time of; in or during the time subsequent to;
subsequently to; after; -- usually with a past event or time for the
object.
conj. Seeing that; because; considering; -- formerly followed
by that.