canaleta
gutter
canal
channel
+
-eta
diminutive suffix
Canaleta means gutter and can be thought of as a small canal0 (channel0) with the -eta1 suffix indicating it's a smaller version1.
noun
- gutterA gutter or channel for collecting and draining waterLa canaleta del techo estaba obstruida con hojas. // The roof gutter was clogged with leaves.