Tiny bit of dust (4)
I believe the answer is:
mote
(Other definitions for mote that I've seen before include "Tiny piece, speck" , "Small particle in a time" , "'Particle, speck (4)'" , "Dust speck; sounds like watery defence" , "Spot" .)
I believe the answer is:
mote
(Other definitions for mote that I've seen before include "Tiny piece, speck" , "Small particle in a time" , "'Particle, speck (4)'" , "Dust speck; sounds like watery defence" , "Spot" .)