bushing
UK[ˈbʊʃɪŋ]US[ˈbʊʃɪŋ]
n
A metal or rubber lining used as a bearing to reduce friction and wear between two moving parts in a machine.
n
An insulating lining for a hole to protect or insulate something (such as an electrical wire) passing through it.
Morpheme Breakdown
bush
ing
bush
tube, lining
ing
noun suffix
Etymology
The word 'bushing' has a mechanical lineage. Its core morpheme, 'bush', entered English from Dutch in the 15th century, originally referring to a metal lining for an axle or a pivot hole, derived from the Dutch 'busse' meaning 'box' or 'tube'. The addition of the noun suffix '-ing' creates a word that specifically denotes the object or component made for this lining purpose. Thus, the term evolved from a general concept of a tubular lining to its precise modern application as a friction-reducing or insulating sleeve in engineering and electrical contexts.
Analysis
Structure: bush (tube, lining) + ing (noun suffix)
'bush' from Middle English 'bush' (meaning a lining for an axle), from Middle Dutch 'busse' (box, tube). 'ing' is a Germanic noun-forming suffix indicating a material, product, or thing associated with the base word.
Examples
The mechanic replaced the worn bushing in the suspension arm.
A rubber bushing isolates the vibration from the engine mount.
Pass the cable through the plastic bushing to protect it from the sharp edge of the panel.