Prot.

Protestant

proto- /prō-tō-/ or, before a vowel, prot- /prōt-/

1. Denoting: first
2. First of a series
3. First-formed
4. Primitive
5. Ancestral
6. A (specified) protolanguage (linguistics)

• steel drums
• steeled
• steel engraving
• steel erector
• steel erectors
• steel-gray
• steel-grey
• steel-greys
• steelhead
• steel-headed
• steelheads
• steelier
• steeliest
• steeliness
• steelinesses
• steeling
• steelings
• steelman
• steelmen
• steel pan
• steel plate
• steel-plated
• steel plates
• steels
• steel trap