theory that a few numbers come from the same letter as they are described with. notables include 1, 2, 3, 4, 5, 6. see also evolution of numbers: Georges Ifrah, The Universal History of Numbers pp 368-396.

੧ੲ੧ੲ

੧ ਇੱਕ

੨ਦ੨ਦ

੨ ਦੋ

੩ਤ੩ਤ

੩ ਤਿੰਨ

੪ਚ੪ਚ

੪ ਚਾਰ

੫ਪ੫ਪ

੫ ਪੰਜ

੬ਛ੬ਛ

੬ ਛੇ

੭ਸ੭ਸ

੭ ਸੱਤ

੮ਅ੮ਅ

੮ ਅੱਠ

੯ਨ੯ਨ

੯ ਨੌਂ