ῥιγηλός
From LSJ
ἔκστασίς τίς ἐστιν ἐν τῇ γενέσει τὸ παρὰ φύσιν τοῦ κατὰ φύσιν → what is contrary to nature is any developmental aberration from what is in accord with nature (Aristotle, On the Heavens 286a19)
English (LSJ)
ή, όν,
A making to shudder, terrible, ὀϊστοί Hes.Sc.131; ὑλαγμός Nic.Al.220; ὄνειδος AP7.351 (Diosc.); ἀγών Nonn.D.37.149; ῥ. ναύταις ἐρίφων δύσις AP7.640 (Antip.). 2 of persons, susceptible to cold, Anon. ap. Suid. Adv. -λῶς Poll.5.111.
German (Pape)
[Seite 842] frostig, schaurig, Schauder, Schrecken verursachend; ὀϊστοί, Hes. Sc. 131; ὑλαγμός, Nic. Al. 220; a. Sp.