Light Fumitory, Parsly, Burnet's blade, And winding leafe his crispy Locks beshade: Hee's light and lively, all in Turns and Tricks; In his great Round, hee many small doth mix... ― Guillaume de Salluste Du Bartas (translation by Joshua Sylvester, 1633)
From Middle English bischaden, bischadewen, bischadowen, equivalent to be- + shade and/or be- + shadow. Cognate with Dutchbeschaduwen (“to shade, shadow”), Germanbeschatten (“to shadow”).
English Wiktionary. Available under CC-BY-SA license.