, ▁France ) ▁and ▁Tour na i ▁( W all onia ▁region , ▁Belg ium ), ▁to ▁promote ▁cultural ▁ex changes ▁and ▁develop ▁a ▁cultural ▁tour ▁of ▁Europe , ▁on ▁the ▁occasion ▁of ▁the ▁fif teenth ▁cent en ary ▁of ▁the ▁Battle ▁of ▁V ou illé . ▁In ▁that ▁town ▁near ▁Po it iers , ▁Clo vis ▁I , ▁king ▁of ▁the ▁Fran ks , ▁defeated ▁the ▁Vis ig oth s ▁of ▁Al ar ic ▁II ▁in ▁ 5 0 7 . ▁Tour na i ▁was ▁the ▁first ▁capital ▁of ▁the ▁Fran ks ▁under ▁k ings ▁Clo vis ▁and ▁Ch ilder icus . ▁ ▁The ▁name ▁The ▁name ▁" Gu ad am ur " ▁() ▁is ▁believed ▁by ▁some ▁sch ol ars ▁to ▁come ▁from ▁an ▁Arab ic ▁term ▁meaning ▁' the ▁river ▁of ▁the ▁waves '. ▁ ▁O thers ▁suggest ▁that ▁the ▁word ▁der ives ▁from ▁w adi ▁al - m ur ▁' river ▁of ▁the ▁wall ', ▁referring ▁to ▁a ▁Roman ▁Vis ig oth ic ▁ ▁hyd ra ul ic ▁engineering ▁construction ▁here : ▁the ▁resulting ▁name ▁under ▁this ▁hypothesis ▁is ▁a ▁hy brid ▁of ▁Arab ic ▁word ▁w adi , ▁" river ▁valley " ▁and ▁the ▁Latin ▁word ▁mur us , ▁" wall ". ▁▁ ▁W adi , ▁( ), ▁is ▁a ▁word ▁of ▁Arab ic ▁origin ▁used ▁to ▁describe ▁river ▁valle ys ▁for ▁much ▁of ▁the ▁year ▁d ried ▁up , ▁but ▁subject ▁to ▁danger ously ▁sudden ▁water ▁sur ges .) ▁ ▁History ▁ ▁Orig ins ▁▁▁ ▁Arch ae