RULE id: āvartaka (561)
SOURCE: brihaddesi_sharma_1992 (vol_I_p058, vol_I_p064)
SCOPE: technical_term family, Brihaddesi (Mātaṅga ~750 CE)
CONCEPT: āvartaka
STATUS: empirical

ASSERTIONS:
  - [definition] āvartaka is composed of eight kalās (time-units and phrases) after pronouncing eight svaras in ascent and descent
    -- p.vol_I_p058 "आरोहावरोहाभ्यामष्टौ स्वरानुच्चार्य प्राकृस्वरोच्चारणान्ते क्रमशोऽष्टकल आवर्तकः"
  - [enumeration] āvartaka follows the pattern: saga gapa pani dhasa sadha nipa paga gasa
    -- p.vol_I_p058 "अथवा सग गप पनि धस सध निप पग गस"
  - [structural] Āvartaka comes into being in four consecutive svaras without a gap with ascent and descent
    -- p.vol_I_p064 "Avartaka comes into being in four (consecutive) svaras without a gap with the act of ascent (and) descent"
  - [structural] Āvartaka can also occur in svaras with a gap of one each
    -- p.vol_I_p064 "or also in (svaras) with a gap of one (each)."

CITED_RULES:
  - kalā  (definition)
  - svaras  (definition)
  - svaras  (structural)
  - आवर्तकः  (definition)

CONFIDENCE: empirical
PROTECT: false