Paleolithic Etymology of : 
SySTèma
Linguistic references
Semantic fields in Paraklist
Collective (Co)(Con)struction ? in ST2
ConSTRuCT CooPeRate CoRPoration CoLLeCtive GaTheR SySTeM 
CaBaNe CoNSTRuCtion eNSeMBLe CooPéRer CoLLeCtif SySTèMe 
STRuo CoN- SySTèma SyN-