blatch
English
Etymology 1
From Middle English blacche (“black pigment or dye; black colour; black individual”), from Old English blæċċe (“black matter”).
Noun
blatch (uncountable)
- (obsolete) Blacking, blackening.
Etymology 2
From Middle English blacchen, from the noun above.
Verb
blatch (third-person singular simple present blatches, present participle blatching, simple past and past participle blatched)