GURU GIRARATH KOS is a dictionary of the Guru Granth Sahib compiled by the Nirmala scholar Pandit Tara Singh Narotam. The kos, completed in AD 1889, is in two volumes printed at Rajendra Press, Patiala the first (pp. 702) in 1895 and the second (pp. 706) in 1898. The first volume has a lengthy Introduction which carried no title except the abbreviated form of the mul mantra, i.e. Ik Oankar Satguru Prasad, at the head. The Introduction beginning with a definition of the word kos contains detailed information about the contents of the book, the method of arrangement of words and phrases, abbreviations used, a list of the Sanskrit prefixes, some specimens of the words which have different meanings in Sanskrit and Persian, and a few examples of the words which take different forms in different languages of India.
SRI GURU GRANTH PRAYAY, a glossary of the Guru Granth Sahib, is an anonymous and undated manuscript preserved in the Khalsa College at Amritsar under catalogue No. 1473. It comprises 147 folios, 24 cms x 16 cms, with 21 lines to a page, and is possibly a late eighteenth century or early nineteenth century work. Although the word prayay would signify /1 a glossary or lexicon, this work is not a | dictionary in the strict sense of the term, for it | lacks the alphabetical order and attempts | neither etymology nor uncovering varying shades of meanings of the words. Words chosen for explanation are in fact listed in the order in which they occur in the text.