Perhaps from paio; a boy (as often beaten with impunity), or (by analogy), a girl, and (genitive case) a child; specially, a slave or servant (especially a minister to a king; and by eminence to God) -- child, maid(-en), (man) servant, son, young man.
see GREEK paio
παῖδα (paida) − 5 Occurrences
παῖδας (paidas) − 3 Occurrences
παιδὸς (paidos) − 5 Occurrences
παίδων (paidōn) − 1 Occurrence
παῖς (pais) − 9 Occurrences
παισὶν (paisin) − 1 Occurrence