tears of sadness
A somewhat literary or formal word for tears shed from sorrow or grief. Not an everyday conversational term; more likely to appear in writing or elevated speech.
Tears of sadness ran down her cheeks.
その物語は読む者の悲涙を誘う。
That story brings tears of sadness to its readers.
Compound of 悲 (sadness, grief) and 涙 (tears). The reading ひるい is a straightforward on'yomi combination.