oc·ta·style 
(ŏktə-stīl′)
(ŏktə-stīl′)adj.
Having eight columns across the front of the portico, as in some Greek temples.
[Latin octastȳlus, from Greek oktastūlos : okta-, octa- + stūlos, pillar; see stā- in the Appendix of Indo-European roots.]
octastyleafter a plan of the Parthenon
Athens, Greece