User blog comment:IamJakuhoRaikoben/Chapter 493: The White Dragneel, Review./@comment-79.66.178.143-20160711171359

I don't know if anyone has mentioned this already but Rahkeid/Larcade seems to be a corruption of the Arabic word/name Rakeed meaning tranquility or serenity which is fitting for Rahkeid Dragneel from what we have seen from him and know of him (so far).