Papoos (pah-POOS). If addressing him directly, you would call him Papoo (pah-POO).
The Greek word for "Grandfather" is "παππούς".
"Papou" is a term of endearment for "grandfather" in Greek. It is commonly used by grandchildren to refer to their grandfather.
Tagalog translation of GRANDFATHER: lolo
Papou is the word we used for Greek Grandfather. It's pronounced "Pah-POOH"
If you think how Serbians say grandfather - they say " deda "
παππούς [papus]
Papa
"Popi" is a Greek name, often used as a term of endearment for a grandfather. It is derived from the Greek word "pappous," which means grandfather.
In Salish, you would say "nukʷ" to refer to grandfather.
Grandfather in Portuguese is "avô."
grandfather-дедушка(dedushka)
Grandfather in Kikuyu is "Jiin" for paternal grandfather and "Njeri" for maternal grandfather.