- 四须臾
- The four short divisions of time: a wink; a snap of the fingers; 羅預 a lava, 20 finger-snaps; and 須臾 (sa) kṣaṇa, said to be 20 lava; but a lava is 'the sixtieth of a twinkling' (M. W. ) and a (sa) kṣaṇa an instant.
Chinese Buddhist terms dictionary (Chinese-English). William Edward Soothil and Lewis Hodous. 2006.