Kastha

Expressions researched:
"kastha" |"kāṣṭhā"

SB Canto 3

Five kṣaṇas combined together make one kāṣṭhā.

SB 3.11.7, Translation:

The duration of time of three lavas is equal to one nimeṣa, the combination of three nimeṣas makes one kṣaṇa, five kṣaṇas combined together make one kāṣṭhā, and fifteen kāṣṭhās make one laghu.

SB 3.11.14, Purport:

One kāṣṭhā - 8 seconds