何なに一ひとつ

な

に

ひ

と

つ

Freq.FrequencyTop 20,000

Meanings

(not) one; (not) a single

Used with a negative predicate to mean 'not even one' or 'not a single thing'. Emphasizes complete absence.

何なに一ひとつ〈動どう詞し〉ないto not do/have a single (thing) of a certain kind
彼かれはその件けんについて何なに一ひとつ知しらない。
He doesn't know a single thing about the matter.
何なに一ひとつ変かわらないnothing at all has changed
十じゅう年ねん経たっても、この町まちは何なに一ひとつ変かわらない。
Even after ten years, nothing about this town has changed at all.
〈場ば所しょ〉に何なに一ひとつ〈物もの〉がないthere isn't even a single (thing) in a place
空からになった部屋へやには何なに一ひとつ物ものが残のこっていなかった。
In the emptied room, not a single thing was left behind.

何なにもN3
何も is the general word for 'nothing/not anything' with a negative verb, while 何一つ stresses 'not even a single one' and sounds more emphatic.
一ひとつも
一つも and 何一つ both mean 'not even one' with a negative predicate, but 何一つ is slightly more literary and emphatic in tone.
少すこしもN3
少しも negates a small amount or degree ('not even a little'), whereas 何一つ negates a count of distinct items ('not a single thing').

Compound of 何 (nani, 'what') + 一つ (hitotsu, 'one thing'). The reading なにひとつ is a straightforward combination.