godan verb (-mu), intransitive verb
to have tears in one's eyes; to be moved to tears
Describes the state of becoming teary-eyed, often due to emotion. The verb is intransitive and focuses on the welling up of tears rather than crying fully.
感動的な話を聞いて、思わず涙ぐんだ。
Hearing the moving story, I was involuntarily moved to tears.
She had tears in her eyes at the words of farewell.