pĕr-hūmānus

a, um, adj.
I. very kind, very courteous, very polite (class.): sermo, Cic. Q. Fr. 2, 6, 1: epistula, id. Att. 16, 12. —Adv.: pĕrhūmānĭter, very kindly, very politely: scribere ad aliquem, Cic. Fam. 7, 8, 1.
Lewis & Short
A Latin Dictionary, 1879
An open-access project