fiber
UK[ˈfaɪbə]US[ˈfaɪbər]
n
A thread-like structure that forms body tissues, such as muscle or nerve
n
A substance in foods such as fruit, vegetables, and brown bread, which travels through the body as waste and helps the contents of the bowels to pass
n
A thin thread of a natural or artificial substance, used for making cloth, rope, etc.
Morpheme Breakdown
fib
er
fib
thread
er
noun suffix
Etymology
The word 'fiber' has a direct lineage from the Latin fibra, meaning a filament, splinter, or even an internal organ, reflecting its thread-like nature. This Latin term is likely derived from the Proto-Indo-European root dʰeh₁-, meaning 'to suck' or 'to suckle', which evolved in Latin to relate to threads or entrails, perhaps conceptually linked to strands or filaments. Entering English via French fibre in the late 14th century, it initially referred to a natural filament like those in plants or muscles. The modern usage has expanded to encompass dietary components, synthetic threads, and even moral character ('moral fiber'), all connected by the core concept of a fundamental, thread-like constituent.
Analysis
Structure: fib (thread) + er (noun suffix)
fib: From Latin fibra (filament, entrails). This is the core root conveying the sense of a thread-like element.
er: A common English noun-forming suffix, often indicating an agent or a thing associated with the root. In this case, it forms a noun denoting the thread-like substance itself.
Examples
Dietary fiber is essential for a healthy digestive system.
The fabric is woven from a synthetic fiber that is both strong and lightweight.
The nerve fiber transmits signals from the brain to the muscles.