何一つ (なにひとつ) — not one thing, nothing at all

何なに一ひとつ not one thing

Frequency #8557 Frequency rank among common Japanese words. Lower number = more common. Grade 2 Japanese school grade level in which this kanji is taught. Grade 1 is first year of elementary school. 3 characters 和語 wago 和語 (wago) — Native Japanese compound: all kanji use kun'yomi (native Japanese) readings. adverb Part of speech (JMdict: adv)

nanihitotsu

Pitch高低アクセント — Tokyo-dialect pitch accent. The number is the drop position: 0 = heiban (no drop), 1 = atamadaka (drops after 1st mora), N = drops after Nth mora. The line above each mora marks high pitch; below, low. なにひとつ[1] atamadaka 頭高

Synth audio is approximate — the diagram is the canonical reference.