(obsolete) The hentaigana syllable that is used to represent tsu in old Japanese text.

(obsolete) The hentaigana syllable that is used to represent ya in old Japanese text.

何: interrogative pronoun; what

何か: something

Used other than figuratively or idiomatically: see なに, これ.

何者: someone; anyone / 何物: what

Nothing

whatchamacallit, X

to squint

nothing