διάστυλος

ον, τό
A. diastyle, i. e. having a space of three diameters between the columns, Vitr. 3.3.1.
II. διάστυλον,τό, = foreg. 1, IG 4.1484.63 (Epid.), Ephes. 2.76,al.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project