κατιθύ
From LSJ
ἐν πιθήκοις ὄντα δεῖ εἶναι πίθηκον → in Rome we do as the Romans do | when in Rome, do as the Romans do | when in Rome, do as the Romans | when in Rome, do like the Romans do | when in Rome | being among monkeys one has to be a monkey
German (Pape)
[Seite 1401] d. i. κατ' ἰθύ, Han. 1, 30 u. A., besser getrennt geschrieben.
Russian (Dvoretsky)
κατιθύ: см. ἰθύ II.