Esperanto
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Alternative forms
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Etymology
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Abbreviation of NeIdentigita Fluganta Objekto
NIFO (accusative singular NIFOn, plural NIFOj, accusative plural NIFOjn)
- UFO (an unidentified flying object)
Usage notes
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- NIFO has regular plural and accusative forms, though these can also be found with a hyphen inserted before the ending(s): NIFO-j, NIFO-n, NIFO-jn.