ἀδελφοπρεπῶς
From LSJ
εἰ ἔρρωσαι καὶ ἐν τοῖς ἄλλοις ἀλύπως ἀπαλλάσσεις → if you are well and in other respects are getting on without annoyance
English (LSJ)
Adv. A as befits a brother, LXX 4 Ma.10.12.
Greek (Liddell-Scott)
ἀδελφοπρεπῶς: ἐπίρρ., ὡς ἁρμόζει εἰς ἀδελφόν, Ἑβδ. (Μακκ. Δ΄, ι΄, 12).
Spanish (DGE)
adv. como conviene a un hermano LXX 4Ma.10.12.