- 13.037 It was of silver-steel,
…which the Elves call mithril.
I am fascinated to learn that silver steel has its own, albeit unhyphenated, sub-entry.
silver steel n. a fine steel containing a small amount of silver.
“silver, n. and adj.” OED Online, Oxford University Press, June 2017, http://www.oed.com/view/Entry/179788. Accessed 21 September 2017.