Literally meaning: “beside/like myosin”
Origin: Anc Greek
παρά-/para-(=pefix denoting intentification, “beside”, “near”, “contrary of” “side by side” “past by”, “beyond”)
+μυο-/myo-(=combining form meaning muscle) > μυς/mys/ (=muscle) > μύω/myo(=enclosed like the muscle inside body or rat in its nest=epimys)
Paramyosin is a major structural componet of thich filaments in invertebrate organisms.