sgom pa

The word meditation itself, in Tibetan, is sgom pa, bhavana in Sanskrit. The verb sgom actually means to cultivate, habitate, so it's related to cultivating various objects in the mind.

sgom is a typical example of a Tibetan verb that has different forms based on present, past, future and imperative:

present - sgom
past - bsgoms
future - bsgom
imperative - sgoms

This word should not be confused with dgon pa, meditation hall, monastery, even if the pronunciation is the same.