pleio-comb. form

Etymology: < ancient Greek πλείων (also πλέων), πλεῖον more ( < the same Indo-European base as πιμπλάναι to fill (see full adj., n.², and adv.) + -ίων , comparative suffix), comparative of πολύς , πολύ much (see poly- comb. form); compare -o- connective. Compare scientific Latin pleio- , pleo- (formations in which are found from at least the first half of the 19th cent.), French pléio- , German pleio- (formations in which are found from at least the first half of the 20th cent.). Compare pleo- comb. form and plio- comb. form, and see discussion at pleo- comb. form.The usual combining form in Greek is ancient Greek πλεον- (in e.g. πλεονέκτης : see pleonectic adj.), Hellenistic Greek πλειον- (in e.g. πλειονοψηϕία dominant astrological influence), but compare Hellenistic Greek πλεο- (in e.g. πλεομισθία rise in wages, πλεοτιμία rise in price), and Byzantine Greek πλειο- (in πλειοψηϕία, variant of Hellenistic Greek πλειονοψηϕία). Combining with second elements ultimately of Greek origin. Formations are found from the first half of the 19th cent.