— rootless, without a root (beginning with a, the 'rootless' vowel); — having that sequence (a … kṣa); — is to be known; — ending in kṣa; — emanation, creation (the order of phonemes as cosmic emission); — is declared, is set forth (as example); — of all; — and indeed (ca + eva); — of the mantras; — of the vidyās (the feminine mantras/wisdom-formulae); — and; — O glorious one
Rootless, having that sequence, ending in kṣa — this is to be known as the emanation (sṛṣṭi), declared (as the source) of all mantras and vidyās, O glorious one.