Is 'nacelle' English, or is it actually French?

'Nacelle' is a word borrowed from French 'nacelle'. The word entered the English language some time around 1904.

nacelle [noun] [1904]

A streamlined enclosure (as for an engine) on an aircraft

See 'nacelle' on the Loan Words Map

See more loan words from French.

Etymology: French, literally, small boat, from Late Latin 'navicella' diminutive of Latin 'navis' ship

See more loan words from 1900s.