何
なん; なに · nan; nani · JLPT N5 · noun
what
❓ nani?! = the anime gasp for what?!; nan is its clipped form
Nani is the full form, used alone or before を/が. It shortens to nan before で, の, だ/です and counters (何人 nan-nin, 何時 nan-ji). The character is 亻 person + 可: a person asking what.