wit 2 
(wĭt)
(wĭt)v. wist (wĭst), wit·ting (wĭtĭng), first and third person singular present tense wot (wŏt)
Archaic
Archaic
v.tr.
To be or become aware of; learn.
v.intr.
Idiom: To know.
to wit
That is to say; namely.
[Middle English, from Old English witan; see weid- in the Appendix of Indo-European roots.]