English word benzoquinoline comes from English benzo-, English quinoline

Detailed word origin of benzoquinoline

Dictionary entry	Language	Definition
benzo-	English (eng)	(organic chemistry) containing benzene, especially containing a fused benzene ring.
quinoline	English (eng)	(organic compound) Any of a class of aromatic heterocyclic compounds containing a benzene ring fused with a pyridine ring; especially the simplest such compound, C9H7N.
benzoquinoline	English (eng)	(organic compound) Either of two isomeric compounds (5,6-benzoquinoline and 7,8-benzoquinoline) in which a benzene ring is fused to that of a quinoline molecule; their derivatives are used in the preparation of pharmaceuticals and dyes atc.

Words with the same origin as benzoquinoline