/akarmaka / अकर्मक

/akarmaka (objectless, intransitive) roots are those that never have an object, Examples —

zI- शीॱ "lie down, sleep"
As- आस् "sit"
bhU- भूॱ "become", "be", "turn into"
gam- गम् "be in a place"; "leave" as in the sentence gacchAmi गच्छामि "I'm getting outta here rite now"

When a root is not /akarmaka, it is /karmaka.