Linger (verb)

1. Continue to stay in a place longer than necessary.
2. Take longer to do something than is expected or intended.
3. Remain in the mind or memory for a long time.

Origin:

Middle english (in the sense "dwell, remain"): from old english lyngan "remain, continue", of germanic origin; related to long.

Examples:

1. She lingered in the doorway, reluctant to leave.
2. The party lingered on long after midnight.
3. The smell of baking lingered in the kitchen.
4. His words lingered in her mind long after he had gone.
5. She lingered over her coffee, enjoying the peace and quiet.