Grieve (verb)

1. To feel great sadness or sorrow, typically as a result of someone's death, loss, or misfortune.
2. To cause great sadness or sorrow to (someone).

Origin:

Middle english: from old french grever, of germanic origin; related to grave.

Examples:

1. He grieved for his lost love.
2. She grieved for her mother who passed away.
3. They grieved for the loss of their home.
4. The news of his death grieved her.
5. The company's failure grieved the shareholders.