πυρίδιον
From LSJ
ἀσκεῖν περὶ τὰ νοσήματα δύο, ὠφελεῖν 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)
τό, Dim. of πῦρ,
A spark, Thphr.Fr.33.
πῡρίδιον, τό, Dim. of πυρός, Ar.Lys.1206 (pl.), PSI6.611.2 (pl., iii B.C.).
German (Pape)
[Seite 822] τό, dim. von πῦρ, Plut. plac. phil. 2, 90 im plur. τό, dim. von πυρός, Ar. Lys. 1206.
Greek (Liddell-Scott)
πῠρίδιον: τό, ὑποκορ. τοῦ πῦρ, σπινθήρ., Πλούτ. 2. 890Α, Στοβ. Ἐκλογ. 522.