Etymology

       In  roguelikes  (https://en.wikipedia.org/wiki/Roguelike),  items made by the elves have a
       reputation of high quality.  These are usually called elven items, but "elvish" was chosen
       because  it  ends  with  "sh",  a long tradition of Unix shells.  It also rhymes with fish
       (https://fishshell.com), one of the shells that influenced the philosophy of Elvish.

Stylization

       The word "Elvish" should be capitalized like a proper noun.  However,  when  referring  to
       the elvish command, use it in lower case with fixed-width font (like in this sentence).

Related Words

       The adjective for Elvish (as in "Pythonic" for Python, "Rubyesque" for Ruby) is Elven.

       Whoever   practices   the   Elvish   way  is  called  an  Elf.   The  GitHub  organization
       (https://github.com/elves/) is called Elves for this reason.