Zeyde

Zeyde means grandpa.

Source: wiktionary

In fact, he was my elter-zeyde— my great-grandfather - but he was the grandfather of my mother, her siblings, and her first cousins; they all called him zeyde, and the name carried over to the next generation.

Source: wiktionary

... zeyde, who spoke only Yiddish — a traditional Orthodox Jew with stately carriage, a long gray beard, a mustache stained with nicotine, and an ever-present yarmulke on his head .. I had a special relationship with my zeyde.

Source: wiktionary

These days, people spell ‘Bubah’ as ‘Bubbe’ and ‘Zaida’ as ‘Zeyde’. They mean ‘Granny’ and ‘Grandad’ in Yiddish.

Source: wiktionary