R_4p1_284
apakarşa = lowering/diminution of pitch, counterpart to utkarşa, used to measure śruti differences on vīṇā
Body (pseudocode)
DEFINE apakarşa AS pitch_action(direction=lowering, counterpart_of=utkarşa, measurement_use=śruti_difference)
APPLY apakarşa(svara=pañcama) -> diminished_pitch
NOTE interchangeable_with utkarşa IN [BrD, NS]