or kythe

verb (used with or without object), kithed, kith·ing. Scot. and North England.
  1. to make known by action; show; demonstrate; prove.
  2. 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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018