1
अइउण् ।
a i un |
अ इ उ ण् ।
a i u ṇ |
स्वर अ, इ, उ; अन्त का ण् इत् (संकेत-वर्ण) है।
The vowels a, i, u; the final ṇ is a marker.
माहेश्वरसूत्राणि
The fourteen sūtras with which Pāṇini's grammar opens — the sounds of Sanskrit set out in order, each group closed by a marker letter from which the grammar builds its sound-classes. Tradition says they sounded from Śiva's drum at the end of his dance; they are chanted as the garland of letters at the start of Sanskrit study.