Obs. Forms: 5 blacche, 6 blatche, blache. [ME. blacche, answering to an OE. *blæcce, not found, but pointing to an OTeut. *blakkjo- or *blakkjâ-, f. *blakkó- black: see BLACK a., and cf. BLACK sb., BLEACH sb.2, BLECK, and BLETCH.] Blacking. Hence Blatch-pot, blacche-pot.
a. 1500. Metr. Voc., in Wr.-Wülcker, 628. Attramentorium (blacchepot), sunt attromenta (blacche), sed atrum (blacke).
1519. Horman, Vulg., 81 b. Wrytters ynke shulde be fyner than blatche [lectius esset sutorio].
1552. Huloet, Blache that shomakers vse Atramentum sutorium.