http://i.imgur.com/QSfsK2v.png
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Well... thats called a "bow" ;P
So, yes, there is an emote like this - its race and gender-specific and the maids/servants might have their special version to express their gratitude to their owne... master
Update: I checked with my maid, a FemRoe, like myself, and she uses the same /bow I do - so I would assume thats the generic /bow for female Au ra?