verb / noun
trickle
TRIK-ul/ˈtrɪkl/
A slow flow in very small amounts.
Water trickles from the barely open faucet.

Etymology
Middle English triklen described tears or blood running down in drops or a small, interrupted stream. That early usage already captures the modern sense; its deeper origin is uncertain.
In context
you guys plan on putting four culverts in there some might trickle through but the majority of it will have to back up and find another path
More examples
- A trickle of visitors arrived before noon.
- News trickled out over the next few days.
- The stream had dwindled to a trickle.
Forms
trickle · trickles · trickled · trickling