verb / noun
throb
THRAHB/θrɑːb/
A strong, repeated pulsing, often felt as pain.
He feels his pulse throb beneath his fingertips.

Etymology
Middle English throbben described the heart shuddering or pounding. Its origin is uncertain, but it was probably intended to imitate the sound of the heart or blood pulsing.
In context
Your first job, rubbing salt and vinegar into a hunch of beef so tough your fingers start to throb.
More examples
- A steady throb came from the engine.
- She felt her pulse throb at her wrist.
- The headache had become a painful throb.
Forms
throb · throbs · throbbed · throbbing