Ra-

Ra- A prefix, from the Latin re and ad combined, coming to us through the French and Italian. See Re- , and Ad- .
Found on http://www.encyclo.co.uk/webster/R/1

Ra-

• A prefix, from the Latin re and ad combined, coming to us through the French and Italian. See Re-, and Ad-.
Found on http://thinkexist.com/dictionary/meaning/ra-/
No exact match found