Uma Abah Nih, Uma Mama Nih, Uma Kakak Nih, And Uma Utterance With Cause By Muhammad Zaini In The Period Of 2;5 Years Old To 2;8 Years Old. This study aimed to describe and explain the direction uma abah nih, uma mama nih, uma kakak nih, and uma and the cause by Muhammad Zaini at the age of 2 years and 5 months to 2 years and 8 months. The method used in this study is a qualitative method with longitudinal techniques. The theory used in this research is the theory of child language. The findings of the study is the pronunciation uma abah nih, uma mama nih, uma kakak nih, and uma and the cause is done by Muhammad Zaini when he was disturbed by the father, mother, and brother. Indeed, there is some variation uma greeting with age Muhammad Zaini. Variations such as the age of 2 years and 6 months, Muhammad Zaini say uma abah nih i’ih tayus (uma ayah nih iya terus) dan uma mama nih kada abis-abis (uma mama nih tidak habis-habis). At the age of 2 years 7 months variations like uma abah nih tik ini (uma ayah nih ketik sini), uma mama nih ke itu tayus (uma mama nih seperti itu terus), uma mama nih lap tayus (uma mama nih mengepel terus), uma mama nih ander tayus (uma mama nih bicara terus), uma ambuy-ambuy tayus (uma hambur-hambur terus), dan uma tu tayus (uma itu terus). At the age of 2 years and 8 months of variations such as poto-poto abah nih (foto-foto ayah nih), uma poto-poto tayus abah nih (uma foto-foto terus ayah nih), uma kejauhan situ, and uma mama nih capai-capai (uma mama nih sentuh-sentuh). Key words: utterances, uma abah nih, uma mama nih, uma kakak nih, cause