សុំ

to ask (for), to beg, to demand (may be used in a polite way by older persons to younger ones. It should not be confused with សូម which generally functions more like a pre-sentence particle.)

to ask (for), beg, request, demand.

to ask to (do something) (may be used in a polite way by older people to younger ones. It is often used interchangeably with សូម which however more accurately occurs in sentence initial position)