ina
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.)
Latin > English (Lewis & Short)
īna: ae, f.,
I a thin fibre in paper (very rare), Marc. Emp. 31: exiles et ilia a tenuitate inarum, quas Graeci in chartis ita appellant, videntur esse dicta, Paul. ex Fest. s. v. exiles, p. 81 Müll.; cf.: ilia dicta ab ina, quae pars chartae est tenuissima, id. s. v. ilia, p. 104 Müll.