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LingakuLingaku何も + [verb]ない 何も + [i-adj 〜い → 〜く]ない 何も + [na-adj]ではない / [na-adj]じゃない 何も + [noun]ではない / [noun]じゃない
Note: も replaces を; do not use 何をも～ない in modern standard Japanese.
The pattern 何も～ない expresses "nothing" or "not … anything". It combines the question word なん何 (what) with the inclusive particle も and a negative verb, adjective, or copula to create a total negation – meaning that not a single thing applies.
When なん何も pairs with a negative predicate, it negates all possible objects or things completely.
The particle を that would normally mark the object is replaced by も. You do not say ×何をも～ない in modern standard Japanese.
When combined with a verb in the negative, なん何も〜～ない can convey "there is nothing to …" or "there is no need to …", depending on context.
For extra emphasis, speakers sometimes add particles or adverbs like べつに別に or ぜんぜん全然 alongside 何も.
Other question words follow the same interrogative + も + negative pattern to express total negation:
Be careful not to confuse 何も～ない (nothing) with なん何でも (anything/everything), which is used with affirmative predicates.