κογχάριον
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)
τό, Dim. of sq., Str.16.2.41 (pl.), Aret.CA2.5.
German (Pape)
[Seite 1465] τό, dim. von κόγχη, Diosc. u. a. Sp.