[wan.ion] n [fr. the obs. phrase in the waniand unluckily, lit., in the waning (moon), fr. ME, fr. waniand, northern prp. of wanien, wanen to wane] (1549) archaic: plague, vengeance--used in the phrase with a wanion
WANION
Meaning of WANION in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012