noun
one summer; a single summer
Refers to the duration or experience of one summer, often used in contexts like summer vacations, seasonal jobs, or memorable events.
ひと夏の思い出を作りたい。
I want to make memories of one summer.
彼はひと夏だけ海の家で働いた。
He worked at a beach hut for just one summer.
Also means 'one summer', but uses the on'yomi reading and is less common in everyday speech.
Compound of ひと (one) and 夏 (summer). The reading ひとなつ is a straightforward kun'yomi combination.