In tracing the origins of human speech, we deal with the distant past where early communication likely involved simple sounds indicating objects, individuals, and events. As Homo erectus evolved, their communication advanced into structured strings of words, resembling modern polysynthetic languages. This progression laid the groundwork for grammaticalized language, characterized by the combination of lexical and grammatical words following regular patterns, ultimately enabling complex communication and automation. While the exact origins and pathways of language evolution remain debated, exploring these stages illuminates humanity's remarkable journey of linguistic development.