fiendship en · NOUN
Etymology
From Middle English feondscipe, from Old English fēondsċiepe, from Proto-West Germanic *fijandskapi, equivalent to fiend + -ship.
Meanings
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(uncountable) The state, quality, or condition of being a fiend.
Nay, perhaps, mankind being possessed of a given quantity of devil, it is doubtful whether to check its fiendship in its straightforward course, but drives it to break out unnaturally in another place.
1849, Sidney Smith, The Mother Country, page 118:But more than these individual points of comparision^([sic]) makes brothers in fiendship the Devils of poem and plays.
1978, Mediaevalia, volumes 3-4, page 222: