fraterne
From LSJ
Latin > English (Lewis & Short)
frāterne: adv., v. fraternus.
Latin > French (Gaffiot 2016)
frāternē,¹³ en frère, fraternellement : Cic. Q. 2, 15, 2 ; Att. 1, 5, 8.
Latin > German (Georges)
frāternē, Adv. (fraternus), brüderlich, wie ein Bruder, I) eig.: facere, Cic.: interrogare, Hieron. epist. 58, 5: huic tu epistulae non fraterne scriptae fraterne debes ignoscere, Cic. – II) übtr. = innig, herzlich, ab alqo amari, Cic.