Etymology: New Latin, from Greek, from rhipid-, rhipis fan; akin to Greek rhip-, rhips wickerwork, rhiptein to throw, Old High German rīban to grate, rub, turn, twist, Middle Dutch wriven to rub, twist; basic meaning: turning
: fan — chiefly in taxonomic names
Rhipidistia
Rhipidoglossa
Useful english dictionary. 2012.