A sword “made of iron that fell from heaven as a blazing star” (S/201). Given its origin, its name might be a combination of ang “iron”, lach “flame” and êl “star” (SA/ang, lhach).
Sindarin
Anglachel
noun. flaming iron
anglachel
proper name. *Iron-of-the-flaming-star
Elements
Word Gloss ang “iron” lach “(leaping) flame” êl “star”
ang (“iron”) + lach (from lacha- “flame”) + #êl (“star”)