曽孫ひまごalso: ひこまご · ひいまごひまごFreq.FrequencyTop 100,000Meanings1noungreat-grandchildRefers to the child of one's grandchild; a straightforward kinship term.彼かの女じょは初はじめてのひ孫まごの誕たん生じょうを喜よろこんだ。She was delighted at the birth of her first great-grandchild.