Agnipurana 355.8

355.8

tatra vāso māthuraḥ syādvettyadhīte ca cāndrakaḥ /
vyutkramaṃ vetti kramakaḥ naraś cakrāma kauśakaḥ //

dwelling there is ‘māthuraḥ’; he who knows or studies is ‘cāndrakaḥ’;
he who knows the inverted order is ‘kramakaḥ’; the man who has traversed is ‘kauśakaḥ’;