[In full, Bosch butter, i.e., artificial butter manufactured at ’sHertogenbosch or ‘Bosch’ (Bois-le-duc) in Holland.] An imitation of butter, otherwise called BUTTERINE, usually consisting of oleomargarine with a small proportion of genuine butter. Also Bosch butter.
1879. Echo, 7 April, 3/4. It was known in the trade by the name of ‘bosh.’
1880. Daily News, 26 Feb., 5/2. Oleomargarine … is generally sold in this country under the name of ‘butterine,’ but it is also known commercially by the more expressive term ‘bosch.’
