Complex sentence: The Bengal famine of 1769 to 1773 was also known as Chiyattarer mannontar because it began in the Bengali calendar year 1176 and Chiyattarer means "of 76" and mannontar means "famine" in Bengali.
Split into simpler sentences: The Bengal famine of 1769 to 1773 was also known as Chiyattarer mannontar because it began in the Bengali calendar year 1176. "Chiyattarer" means "of 76" and "mannontar" means "famine" in Bengali.