Used in affirmative or general statements to mean 'all things' or 'any matter'. Often appears in proverbs or advice.
何事も経験だ。
Everything is an experience.
何事も最初は難しい。
Everything is difficult at first.
Used with a negative verb to mean 'nothing' or 'not anything'. The negative form is essential.
何事も起こらなかった。
Nothing happened.
彼は何事も
He acted as if nothing had happened.
Standard kanji spelling.
Mixed kana spelling, sometimes used for clarity or emphasis.
Compound of 何事 (nanigoto, 'what thing/matter') + particle も (mo, 'also/even'). The combination yields 'whatever thing' → 'everything/anything', and with negation 'nothing'.