ORIGIN: formed as nema 
-ne·ma
\ˈnēmə\  noun combining form 
(plural -nema·ta \ˈnēməd.ə, ˈnem-, -mətə\ ; or -nemas) 
Etymology: New Latin, from Greek nēma thread 
 : one having, being, or resembling (such) a thread 
< chromonema >
— especially in generic names in botany and zoology
< Hyalonema >
< Scytonema >
< chromonema >
— especially in generic names in botany and zoology
< Hyalonema >
< Scytonema >