paternal
adj
1 of a father; fatherly 父亲的; 父亲般的
paternal affection, authority 父爱、 父亲的威信
He has a paternal concern for your welfare, ie like that of a father for his child. 他像慈父般关怀你.
2 related through one´s father 父系的
her paternal grandmother, ie her father´s mother 她的祖母. Cf 参看 maternal.