A proposed replacement for Sarn Athrad, a combination of the prefixal form har- of harn “south” and athrad “ford” (WJ/335).
Sindarin
Harathrad
noun. south(ern) ford
harathrad
place name. South Ford
Elements
Word Gloss harn “south, southern” athrad “ford, crossing”
har (from harad “south”) + athrad (“river-crossing, ford, way”) #The second element could be interpreted as: ath (prefix “on both sides, across”) + râd (“path, track”)