Б28
ПО БАТЮШКЕ (звать, величать кого)
old-fash,
collPrepPInvarusu. adv(to call, address s.o. ) by the name derived from his or her father's name (by adding a suffix), which follows the first name and precedes the last name (in formal address, it is used in conjunction with the first name, whereas in uneducated or humorous speech it may be used alone)
patronymic.