Latin word muscularis comes from Latin musculus, Latin -aris

Detailed word origin of muscularis

Dictionary entry	Language	Definition
musculus	Latin (lat)	(anatomy) muscle. (military) mantelet, shielding. Saltwater mussel. Small mouse.
-aris	Latin (lat)	Used to form an adjective, usually from a noun, indicating a relationship or a pertaining to.
muscularis	Latin (lat)	Of or pertaining to muscles.

Words with the same origin as muscularis