Abstract:
This research was applied descriptive qualitative method. The data of this research
was obtained from the utterances of a two-year-old child, named Zul Asfi Arrayhan
Dalimunte, live at Aek Galoga, Panyabungan, Mandailing Natal. This research was
investigated kind of words morphological acquired by two years old child on Batak
Mandailing, describes the morphological process realized by two years old of child in
Batak Mandailing and identified the influencial factor of morphological acquisition of
Batak Mandailing child in two years old. The technique of collecting the data used
observation, the observation conducted for time period of one month. In this research,
it was found the word classes and the morphological process are : affixation,
reduplication and compounding. Environment was the important factor that helps the
research subject in obtained the language acquistion and usually imitates the words
that he has heard. The researcher can concluded that development language
acquisition of child two years old different depend level of communication and
intelligence of child in daily communication. The fact may be different if children are
take from different ages or other children.
