περισκελία

ἡ
A. hardness, harshness, τῶν ἀναγκαίων Porph. Marc. 2.
2. difficulty, Arist. Fr. 29. (Written περισκελία, Antyll.(?)ap. Orib. 8.6.6,al., Paul.Aeg. 6.112.)
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project