The Collaborative International Dictionary
Sithence \Sith"ence\, Sithens \Sith"ens\, adv. & conj.
Since. See Sith, and Sithen. [Obs.]
--Piers Plowman.
Wiktionary
adv. 1 (context obsolete English) thereupon; subsequently, afterwards. 2 (context obsolete English) since. conj. 1 (context obsolete English) From or since the time that. 2 (context archaic English) Seeing that, since. prep. (context obsolete English) since.
Usage examples of "sithence".
London to Dover, forasmuch as it is sithence considered here that they may with best speede be brought to the place of service by seas, he is willen to sende them with all speede by hoyes to Queenburgh, where order is given for the receavinge and placing of them in the shippes, to be transported with all speede possible.
And although it be now a yeare and a halfe sithence the voyage ended, whereby some man will say, that it is now no new matter: yet the present time considered, how doubtfull some of our meaner sort of people are of the Spanish preparations, I thinke this Discourse a verie fit thing to be published, that they may see what great victories a fewe English men haue made vpon great numbers of the Spaniardes, euen at home in their owne Countries.
But sithence his demon has gone back to the stars, and the once potent weapon he bore has equally been emptied of its force.