Abbott-Smith Manual Greek Lexicon
περι-βόλαιον (G4018)
2 περι-βόλαιον , -ου, τό ( περιβάλλω ), [in LXX chiefly for לְבוּשׁ , כְּסוּת and cognate forms;] that which is thrown around , a covering , in NT, a mantle ( Ps 101 (102):27 , Is 59:17 , al.): He 1:12 (LXX) ; a veil : I Co 11:15 (but v. ICC , in l.).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain