Kythe

{ Kythe, Kithe (kīt͡h) }, v. t. [imp.Kydde, Kidde (kĭd″de); p. p.Kythed (?), Kid; p. pr. & vb. n.Kything.] [OE. kythen, kithen, cuðen, to make known, AS. cȳðan, fr. cūð known. √45. See Uncouth, Can to be able, and cf. Kith.] To make known; to manifest; to show; to declare.

For gentle hearte kytheth gentilesse. Chaucer.