φυλάκιον
From LSJ
ἀσκέειν, περὶ τὰ νουσήματα, δύο, ὠφελέειν, ἢ μὴ βλάπτειν → strive, with regard to diseases, for two things — to do good, or to do no harm | as to diseases, make a habit of two things — to help, or at least, to do no harm
English (LSJ)
A v. φυλακεῖον,
German (Pape)
[Seite 1313] τό, = φυλάκειον, Pol. 10, 30, 6, und sonst als v. l.
Greek (Liddell-Scott)
φῠλάκιον: ἴδε ἐν λ. φυλακεῖον.
Russian (Dvoretsky)
φῠλάκιον: τό Polyb. v. l. = φυλακεῖον.