Sith

{ Sith (?), Sithe (?), } n. [AS. ??? a path, way, time, occasion.] Time. [Obs.] Chaucer.

And humbly thanked him a thousand sithes.
Spenser.

Sith (?), prep., adv., & conj. [See Since.] Since; afterwards; seeing that. [Obs.]

We need not fear them, sith Christ is with us.
Latimer.

Sith thou art rightful judge.
Chaucer.