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)

• organogram
• organograms
• organographies
• organography
• organoleptic
• organometallic
• organon
• organophosphate
• organophosphates
• organotherapeutic
• organotherapies
• organotherapy
• organ-pipe
• organ-pipe coral
• organ-pipes
• organ-point
• organ-points
• organs
• organ-screen
• organ-screens
• organum
• organza
• organzas
• organzine
• organzines