Refers to a gentle, pleasant warmth, often from a person, object, or atmosphere.
His hands had a gentle warmth.
春の日差しにぬくみを感じる。
I feel the warmth of the spring sunshine.
Kanji form is rarely used; kana spelling is preferred.
Derived from the adjective 温い (ぬくい), meaning 'warm'. The exact historical derivation is uncertain.