Papa
来自Big Physics
late 17th century: from French, via late Latin from Greek papas .
wiktionary
Borrowed from French papa, probably originally imitative of a child's early efforts at vocalization, 17th c.
etymonline
papa (n.)
"father," 1680s, from French papa, from Latin papa, originally a reduplicated child's word, similar to Greek pappa (vocative) "o father," pappas "father," pappos "grandfather." The native word is daddy; according to OED the first use of papa was in courtly speech, as a continental affectation, and it was not used by common folk until late 18c.
