1
Stage 1 of 3
para
Greek · ancient
"beside"
beside, combined with metron (measure)
2
Stage 2 of 3
parameter
New Latin · 1650s
"a measurable quantity defining a system"
formed from Greek para (beside) and metron (measure) for a measurable quantity defining a system
3
Stage 3 of 3
parameter
English · 1650s
"a factor that defines or limits a system"
adopted directly for a defining measurable factor
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