This distinction between the lower and the higher branches of criticism was first made explicitly by the German biblical scholar J.G. Eichhorn; the first use of the term “textual criticism” in English dates from the middle of the 19th century.
Where did textual criticism come from?
From antiquity to the Renaissance
Until the 20th century the development of textual criticism was inevitably dominated by classical and biblical studies. The systematic study and practice of the subject originated in the 3rd century bce with the Greek scholars of Alexandria.
What does textual criticism do?
Textual criticism is concerned with documents written by hand. It is both a science and an art. As a science, it is involved in the discovery and reading of manuscripts, cataloguing their contents, and, for literary works, collating the readings in them against other copies of the text.