While the chapter and verse were only introduced much later, the Judaic explanation of the scriptures, especially the Pentateuch, has been referencing parts of it by naming every passage (of 3-5 chapters) by the first meaningful word. This was done in writing as early as the Babylonian exile, as can be found in the Babylonian Talmud. Even now in traditionally written Tora scrolls, there are no chapters and verses, but one searches for the name of that Parasha to find the relevant portion