proto- — first, earliest, original (affix)
proto-
first, earliest, original
Used in (3)
protocol
C1
/ˈpɹoʊtəˌkɑl/
A set of rules for how something should be done correctly.
Meaning
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Sound
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protagonist
C1
/pɹoʊˈtæɡ.ə.nɪst/
The main character in a story, film, or play.
Meaning
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Sound
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prototype
C2+
/ˈproʊtəˌtaɪp/
an original model on which later versions are based; to make one
Meaning
Off
Sound
Off