irrationabiliter
From LSJ
ὃς ἂν βούληται τῆν γῆν κινῆσαι κινησάτω τὸ πρῶτον ἑαυτόν → let him that would move the world first move himself
Latin > English
irrationabiliter ADV :: irrationally, unreasoningly
Latin > English (Lewis & Short)
irrătĭōnābĭlĭter: adv., v. irrationabilis.
Latin > French (Gaffiot 2016)
irrătĭōnābĭlĭtĕr, contre toute raison : Tert. Pæn. 1.
Latin > German (Georges)
irratiōnābiliter, Adv. (irrationabilis), unvernünftig, Charis. 57, 4. Prisc. 1, 42. Tert. de paenit. 1. Amm. 19, 10, 1. Cael. Aur. de morb. acut. 2, 37, 199.