हायुङारिहायोब्ला हायेन (Bodo) [ Roman: ha.yen]Contributed by: Karishma Boro on 2022-11-03 1. (Material Noun-Neuter) a surface or area without any highs and lows or roughness ওখ-চাপৰ বা খলা-বমা নথকা এখন পৃষ্ঠ বা ঠাই English: plain, Assamese: সমতল, Bodo: हायेन, Khasi: ka madan, Karbi: thoi, Dimasa: haphlai