From an obsolete particle ne- (implying negation) and epos; not speaking, i.e. An infant (minor); figuratively, a simple-minded person, an immature Christian -- babe, child (+ -ish).
see GREEK epos
νήπιοι (nēpioi) − 3 Occurrences
νηπίοις (nēpiois) − 3 Occurrences
νήπιος (nēpios) − 6 Occurrences
νηπίου (nēpiou) − 1 Occurrence
νηπίων (nēpiōn) − 2 Occurrences