proto-

USAGE NOTE
This word may also be spelled "prot-" when it precedes a vowel.
proto-(
pro
-
do
)
A prefix is an affix that is added to the beginning of a word to create a new word with a different meaning (e.g., auto, pre).
prefix
a. proto-
Jane presented her engine prototype to the committee in the hopes of procuring funding for production.Jane presentó su prototipo de motor al comité con la esperanza de conseguir financiación para la producción.
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