the seven kulaparvathams (major mountains) —

 for seven generations —

about the purushŏththama (best among all sentient entities) whose divine names will sever our connection with repeated births —

one who showed by counting with his divine feet that three plus seven equals ten —

seven bulls —

seven bulls —

twenty shoulders —

one who shot a single arrow at and felled seven trees —

seven generations of ancestors and descendants —

seven times seven births —

 seven worlds —

seven worlds starting from bhūmi [i.e. bhū:, bhuva:, suva:, maha:, jana, thapa, sathya lŏkams] —

these seven worlds —

 ī who am a devotee who is lowliness/scorn personified and who am of unsteady mind (chapalan), —

these are the seven worlds which keep going about —

(saying) these are the seven worlds that went (inside my stomach) —

 seven svarams (tones) —

 seven svarams (musical tunes) —

having the sweetness of saptha svaram (the seven musical notes) —

 saptha svara-s (seven tunes-) —