Proto-IE: *reidh-
Meaning: to ride
Celtic: *reid-, *reidā etc. > Gaul rēda `vierrädiger Reisewagen', mlat.-gall. ve-rēdus, para-ve-rēdus `Beipferd' [?]; Ir rīadaim `fahre'; dē-riad `Zweigespann'; rīad `Fahren, Reiten'; Cymr rhwyddau `prosperare, expedire, facilitare', gorŵydd `equus, caballus'
Russ. meaning: ехать верхом