Learn how to say Tamper correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word tamper:
[no object] (tamper with)
interfere with (something) in order to cause damage or make unauthorized alterations:
someone tampered with the brakes of my car
a machine or tool for tamping down earth or ballast.
mid 16th century (in the sense ‘busy oneself to a particular end, machinate’): alteration of the verb temper