Definition of naifty in English:

naifty

(also neifty)

Pronunciation /ˈneɪfti/ /ˈniːfti/

noun

historical
  • The status of a naif or serf; serfdom. "writ of naifty" noun a writ by which a lord claimed a person as his naif.

Origin

Middle English; earliest use found in Statutes of the Realm. From Anglo-Norman naifté, neifté, neiveté from naif, neif + -té.