The word originates from Avestan langauge as “Patar or Pitar“. It consists of two parts; “Pa” means “to watch” and the other part “Tar” shows a subjective suffix. On the whole, it signifies “someone who watches or protects”. In early Aryan times, Patar played a major role to watch or protect its family. In Sanskrit language, it is registered as “ पितृ (=PitR), too. In Pahlavi language, it is called “Pitar” or “Pit” and then entered into the modern Persian as “Pedar“. In the end, it is widely spread into other Aryan languages.

Some Aryan languages:

Pater in Latin 

Father in English,

Père in French

Vater in German

Vader in Dutch

Far in Swedish, Danish and Norwegian

 Padre in  Italian, Spanish,

Pai in Portuguese

पिता (= pita) in Hindi 

πατέρας(=patéras) in Greek