Word: underbrush
Part of speech: Noun
Syllables: un
der
brush
Definition: The small trees and other plants that clutter the floor of a forest.
Morphemes:
Affix: under-
Language: en
PoS: Prefix
Meaning: Under (in any sense): insufficient, insufficiently, below what is correct; subordinate to; beneath or behind.
Affix: brush
Language: en
PoS: Noun
Meaning: Wild vegetation, generally larger than grass but smaller than trees. See https://en.wikipedia.org/wiki/Shrubland