綿々

めんめん【綿々】

●綿々たる continuous; unbroken; unceasing; endless

・綿々たる情緒 unquenchable emotion; a flood of emotion

・綿々として continuously; unceasingly; without a break

・綿々として尽きない be unceasing; be unending

・恋人への想いを綿々と書きつづる keep trying to put down on paper one's feelings towards one's beloved.