muscerda
From LSJ
ὥστε ὁ βίος, ὢν καὶ νῦν χαλεπός, εἰς τὸν χρόνον ἐκεῖνον ἀβίωτος γίγνοιτ' ἂν τὸ παράπαν → and so life, which is hard enough now, would then become absolutely unendurable
muscerda: ae, f. id.,
I mouse-dung, Plin. 29, 6, 34, § 106; Paul. ex Fest. p. 196 Müll.