μονόπους
From LSJ
ἑὰν δὲ προσποιούμενος ᾗ τὰ μαθήματά πως ἀπείρως προβάλλων, οὐκ ἔστιν αἰτίας ἔξω → But should one profess knowledge as he puts forward something in an inexperienced way, he is not without blame (Pappus 3.1.30.31f.)
English (LSJ)
Ion. μουνό-, ὁ, ἡ, -πουν, τό, gen. ποδος,
A one-footed, AP9.233 (Eryc.), Man.1.137; μ. τράπεζα Poll.10.69.