κατατεθαρρηκότως
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
English (LSJ)
Adv. pf. part. Act. of καταθαρρέω,
A boldly, confidently, Plb.1.86.5, Plu.Ant.27.
Greek (Liddell-Scott)
κατατεθαρρηκότως: Ἐπίρρ. μετοχ. ἐνεργ. πρκμ. τοῦ καταθαρρέω, μετὰ θάρρους πεποιθότως, τολμηρῶς, κ. ὁρμᾶν Πολύβ. 2. 23, 4· κ. ῥᾳθύμως ἀνατρέφεσθαι 1. 86, 5· ὁ Πλούταρχ. συνάπει ἀνειμένως και κ.