[1480–90; ‹ L prōmulgāre to make known, promulgate, equiv. to prō- pro-1 + -mulgāre, prob. akin to mulgēre to milk, extract]This word is first recorded in the period 1480–90. Other words that entered Englishat around the same time include: cone, contrast, marker, retard, surgepro- is a prefix indicating favor for some party, system, idea, etc., without identitywith the group (pro-British; pro-Communist; proslavery), having anti- as its opposite