noun
homesickness; longing for home
A somewhat literary or formal term for the feeling of wanting to return home. In everyday speech, ホームシック or 里心 (さとごころ) are more common.
旅先で帰心がつのる。
While traveling, my longing for home grows stronger.
彼は帰心矢の如しで、すぐに故郷へ戻った。
He was so eager to go home that he returned to his hometown immediately.