At every moment we speak, and we do so in different ways: through spoken words, in silence, through gestures or thoughts. This shows that we are inextricably linked to language, as it s commonly said that man is a linguistic being. But what is language? Expression? Communication? Speech is part of language, but it doesn t reveal what language is; it merely highlights one of its aspects. Language doesn t belong to man, even though man exists within it. With this in mind, the investigation we will undertake in this paper will begin with a bibliographical analysis of Martin Heidegger s (1889-1976) texts on language, focusing on his post-1930 production. We will approach language not from a linguistic perspective but as a manifestation, an experience. We will look at language from within in order to understand, firstly, how language unfolds on the basis of the heritage of the philosophical tradition and, secondly, what it means for language to be an experience, a dwelling place of being - in other words, drawing on Heidegger s phenomenological thought, we aim to access the essence of language.