great-grandmother
Refers to one's own great-grandmother or someone else's great-grandmother. Commonly used in family contexts.
My great-grandmother will be 95 years old this year.
The old stories I heard from my great-grandmother are interesting.
Means 'grandmother' or an elderly woman; ひいおばあさん is one generation further back.
The male counterpart: 'great-grandfather'.
Kanji form using 曾; rarely used in modern writing.
Full kanji form; very rare and may be considered archaic or overly formal.
Variant kanji form using 曽; extremely rare.
Compound of ひい (prefix meaning 'great-' in family terms) + おばあさん (grandmother). The prefix ひい is of uncertain origin but is used to indicate an additional generation.