to chuckle is a form of:

Chuckle



noun
1.
(A soft, lowtoned laugh) សំណើច, ការសើចម្នាក់ឯង
Example: Makara chuckled when she looked at the funny cartoon.
verbpast tense: chuckled ; past participle: chuckled ; present participle: chuckling ;
1.
(INTRANSITIVE) (to laugh softly in low tone to cluck) សើចតិចៗ, សើចក្នុងពោះ
ENGLISH MEANING
noun
1.
A short, suppressed laugh; the expression of satisfaction, exultation, or derision.
verbpast tense: chuckled ; past participle: chuckled ; present participle: chuckling ;
1.
(INTRANSITIVE) To laugh in a suppressed or broken manner, as expressing inward satisfaction, exultation, or derision.
2.
(TRANSITIVE) To call, as a hen her chickens; to cluck.
1.
To fondle, to cocker