Green’s Dictionary of Slang

buttiken n.

also butteker

[? Fr. boutique + ken n.¹ (1)]

a shop.

1857		‘Ducange Anglicus’ Vulgar Tongue 5: Buttiken n. Shop. Gen.
1859		Matsell Vocabulum 16: butteker A store.
1889–90		Barrère & Leland Dict. of Sl., Jargon and Cant.