suksmah

sūkṣmaḥ — subtle; SB 3.8.11
sthūla-sūkṣmaḥ — fat and skinny; SB 5.11.7
sūkṣmaḥ — very, very fine (not seen by the material eyes); SB 6.16.9
pañca-sūkṣmaḥ — five fine; CC Adi 14.15