also: ばば · おおば · おば · うば
Neutral term for one's own grandmother. In formal or polite contexts, お祖母さん (おばあさん) is more common when addressing or referring to someone else's grandmother.
My grandmother tends the garden every morning.
祖母の家は田舎にある。
My grandmother's house is in the countryside.
During summer vacation, I went to see my grandmother in the countryside.
I'm planning to stay at my grandmother's house this weekend.
My grandmother passed away last year.
great-great-grandmother
Old-fashioned or dialectal reading; may sound rough or childish in modern standard Japanese.
Archaic or dialectal reading; rarely used in modern standard Japanese.
Rare reading for 祖母; more commonly written as 伯母 or 叔母 for 'aunt'.
Archaic reading; now mostly replaced by そぼ.