(adverbial particle, dismissive, derogatory) emphasizes disgust, contempt, or otherwise negative feelings of the speaker: whatever

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

whatchamacallit, X

to squint

nothing

(archaic) an old placename for the region that is now known as 大阪 (Ōsaka, “Osaka”) / a surname

best; above all; the most important; nothing better