kithe

or kythe

[ kahyth ]
/ kaɪð /

verb (used with or without object), kithed, kith·ing. Scot. and North England.

to make known by action; show; demonstrate; prove.
Obsolete. to make known by words; announce; declare; proclaim.

Origin of kithe

before 900; Middle English kithen, Old English cȳthan to make known, derivative of cūth couth2