Vinegar (or impure acetic acid), which is produced when wine is allowed to stand, was known to both the Greeks and Romans, who considered it to be typical of acid substances; this is philologically illustrated by the words OEbs, acidus, sour, and duos, acetus, vinegar.
Joshua Wolf Shenk, an author and essayist, has a provocative response to this idea: all these lone geniuses were just the more well-known halves of collaborative duos
Duos הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד