tsan-tsóo-bió曾祖母

great-grandmother

great-grandmother (particularly paternal grandfather's mother)

English Wiktionary, “曾祖母” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E6%9B%BE%E7%A5%96%E6%AF%8D · confidence: Medium (Wiktionary, Hokkien)