ឧស្សាហ៍

Etymology
From, from. Cognate with 🇨🇬.

Noun

 * 1) seriousness, endeavor, perseverance, industry, diligence, strong efforts

Verb

 * 1) to study, work hard

Adjective

 * 1) to be industrious, diligent

Adverb

 * 1) diligently