decastyle
Concise Oxford English Dictionary © 2008 Oxford University Press:
decastyle /ˈdɛkəstʌɪl/
▶adjective Architecture (of a temple or portico) having ten columns.
– origin C18: from Gk dekastulos, from deka ‘ten’ + stulos ‘column’.
'decastyle' also found in these Oxford entries:

