Definition from Wiktionary, the free dictionary
|Kanji in this term|
Adverb ani (“rhetorical interrogative”) + the irrealis of verb hakar- (“to think”) + suppositional particle -n (from -m, from -mu) + interrogative particle ya. Literally "(just) how could one think (such a thing so)?".
- an expression of surprise to an event that is contrary to one's expectations; unexpectedly, to [ones'] surprise, contrary to [one's] expectations