mentiens
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
Latin > English (Lewis & Short)
mentĭens: entis, Part., from mentior, q. v.
Latin > French (Gaffiot 2016)
mentĭēns, tis, part. de mentior || pris substt, le menteur (argument captieux, cf. ψευδόμενος) : Cic. Div. 2, 11.