ἐνδιπλόω
From LSJ
Σκηνὴ πᾶς ὁ βίος καὶ παίγνιον: ἢ μάθε παίζειν, τὴν σπουδὴν μεταθείς, ἢ φέρε τὰς ὀδύνας → All life is a stage and a play: either learn to play laying your gravity aside, or bear with life's pains.
English (LSJ)
A fold in two, Gal.UP14.6,7.12 (Pass.), Sor.1.14; fold in at the edge, Paul.Aeg.6.65:—hence ἐνδίπλ-ωμα, ατος, τό, and ἐνδίπλ-ωσις, εως, ἡ, folding, Gal.11.508.
German (Pape)
[Seite 834] darin verdoppeln, Galen.