A compound of group + set
Vulgar Latin *cruppus
Italian gruppo ‘a knot, heap, group’
French groupe ‘cluster, group’
English group
Proto-Indo-European *sed- ‘to sit’
…
Proto-Germanic *satjaną ‘to set’
Proto-West Germanic *sattjan ‘to set’
Old English settan ‘to set’
Middle English setten ‘to seat’
English set
Today it means
noun A complete set of matching bicycle drive control components, including brake calipers, cranks, chainrings, bottom bracket, etc.
Language periods are conventional ranges, not dates for this word.
Etymograph / groupset
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