отчество

patronymic (a name formed from one's father's name)

o t͡ɕː ɪ s t v ə
отч father + еств state, condition, or collective group + о neuter singular nominative/accusative
noun · nominative / accusative, singular neuter Rare #44,421
patronymic (a name formed from one's father's name) Used as part of a person's full name, especially in formal address and official settings.
RU: Какое у вас отчество?
EN: What is your patronymic?
Declension of отчество
SingularPlural
Nominative отчество —
Accusative отчество —

Как ваше отчество?

What is your patronymic?

— Ирония судьбы, или С легким паром! (1976)

А отчество?

And your patronymic?

— Рома (2018)

Ака, а чё за отчество?

Hey, what’s your patronymic?

— The Student (2016)

Как твоё отчество?

What is your patronymic?

Нет-не, скажите отчество.

No, no—tell me your patronymic.

— Radio Day (2008)