ἀθωράκιστος
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)
[ᾱκ], ον,
A without breastplate or body-armour, X.Cyr. 4.2.31, Plu.Aem.19.
