srutin.

1793 W. Jones in Asiatick Researches 3 69 They unanimously reckon twenty-two ṣrutis, or quarters and thirds of a tone, in their octave.

1891 C. R. Day Mus. & Mus. Instruments S. India ii. 15 The srutis are differently arranged in grâmas, or scales, three in number.

1954 Grove's Dict. Music (ed. 5) IV. 457/1 That disposes of the widely accepted view of the ‘quartertone’—that it is half a semitone, and that Hindus have 22 of these srutis to make a melody with! What they have is five, six or seven notes to the octave, but 60 or more ways of disposing them.

1972 R. Shankar Indian Music iv. 135 The scale of twenty-two srutis is never sung chromatically, and the intervals are not important to one another but only as groups of intervals.