... As in, a king's or nobleman's official bit on the side. I need something that the people of Rohan would use among themselves, and while Tolkien probably *did* know the right word to use, I don't think he ever wrote it down. So I thought I'd use Old English, or at least a lightly modernised version. 'Mistress' and 'leman' both sound too Norman, and the closest OE word I could find (in the online edition of Bosworth & Toller) is 'níd-háemestre' which is only going to cause 'WTF?' reactions.
Cross-posting to multilingual