친정이 · 친정을
a married woman's parents' home; her birth family
Example
명절에 남편과 같이 친정에 다녀왔어요.
I visited my parents' home with my husband for the holiday.
Word parts
친 parent+정 courtyard, home
Literally 'parents' courtyard' — the home a married woman grew up in.
Good to know
Used only from a married woman's point of view; her husband's family home is 시댁.