D defs.my
Entry 1 sense Webster, 1913

Pro-

· IPA /pɹoʊ/
01 A prefix signifying before, in front, forth, for, in behalf of, in place of, according to; as, propose, to place before; proceed, to go bef…
  1. 1.
    A prefix signifying before, in front, forth, for, in behalf of, in place of, according to; as, propose, to place before; proceed, to go before or forward; project, to throw forward; prologue, part spoken before (the main piece); propel, prognathous; provide, to look out for; pronoun, a word instead of a noun; proconsul, a person acting in place of a consul; proportion, arrangement according to parts.