From Middle Dutch stēvich. Either from:

• stijf (“stiff”) +‎ -ig (“-y”)
• staf (“stick”) +‎ -ig (“-y”)

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stevig (comparative steviger, superlative stevigst)

1. firm, sturdy
2. sizeable, considerable

   een stevige wandeling door de binnenstad maken

   to take a good long walk through the inner city

• stevigheid

• → Sranan Tongo: steifi
  • → Caribbean Javanese: stéfi

stevig

1. firmly

• gevist, vestig