blæc, adj: black, dark, swarthy. (“black”)
Book of Hours, Bruges (Belgium), c. 1480. Morgan Library, MS M.493, folios 18v and 19r. The Black Hours, one of a very few manuscripts on vellum that is dyed black. The illustration shows Whitsun, or Pentecost, the occasion of the descent of the Holy Spirit upon the Apostles and other followers of Christ, as described in Acts 2:1–31. Source: Morgan Library.