A word appearing as G. drogla “cart” in the Gnomish Lexicon with cognate ᴱQ. norolle (GL/31), and thus based on the early root ᴱ√NORO “run, go smoothly, ride, spin, etc.” (QL/67).

Neo-Sindarin: The root √NOR was associated with both “run” and “roll” as late as 1948 (PE22/127), so I would retain this word but adapt it as ᴺS. drogol “cart” for purposes of Neo-Sindarin. For a similar development, compare N. draug “wolf” < ᴹ✶d’rāk based on ᴹ√DARAK (Ety/DARÁK), but in the case of *n’rok-lǝ there is the additional sound change of initial nr- becoming dr-.