plexus
UK[ˈplɛksəs]US[ˈplɛksəs]
n
a network of nerves, blood vessels, or other structures in the form of a net or bundle.
n
any complex network or interwoven structure.
Morpheme Breakdown
plex
us
plex
to weave, to braid
us
noun suffix
Etymology
the word "plexus" entered english directly from latin in the 17th century, where it meant "a braiding, an interweaving". the latin verb plectere (to weave) is its ultimate source. this literal sense of weaving or intertwining threads was metaphorically extended in anatomical and general language to describe any intricate, net-like structure, such as a network of nerves or vessels. the semantic logic is clear: from the physical act of braiding to the abstract concept of a complex, interconnected system.
Analysis
Structure: plex (to weave, to braid) + us (noun suffix)
"plex" is from latin plexus, the past participle of plectere meaning "to weave, to braid, to twine". the suffix "-us" is a latin masculine noun ending.
Examples
the solar plexus is a complex network of nerves located behind the stomach.
the city was a vast plexus of streets and alleyways.
the novel explores the intricate plexus of relationships within the family.