Fr.: traînées stellaires
The marks, signs, smells, etc., that are left behind by someone or something and that can often be followed (Webster). → star trail.
M.E. trailen "to draw or drag in the rear," from O.Fr. trailler "to tow," ultimately from L. tragula "dragnet," probably related to trahere "to pull."
Radd, variant of raj, râž, rak, râk, rezg (Lori), radé, râdé "line, rule, row," rasté, râsté "row, a market with regular ranges of shops;" ris, risé "straight," related to râst "right, true; just, upright, straight;" → system.