περιτέρμων

ον, ονος
A. bounding all round, κύκλος Orph. H. 83.3.
II. Pass., bounded all round, Ῥώμη ὠκεανῷ π. AP 9.297 (Antip.).
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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