great-grandmother
N ยายทวด ยายทวด yai-tued
GREAT-GRANDMOTHER
GREAT-GRANDMOTHER Great "-grand "moth `er, n.
great-grand moth er ▶noun the mother of one's grandmother or grandfather.
great-grand ¦mother ▶noun the mother of one's grandmother or grandfather.
gr è at-gr á nd m ò ther 名詞 C 曾祖母, ひいおばあさん .