veil = "curtain"
A. Greek

1] a veil spread out, a curtain
   1.a] the name given to the two curtains in the temple at Jerusalem, one of them at the entrance to the temple separated the Holy Place from the outer court, the other veiled the Holy of Holies from the Holy Place
derivation: a compound of (2596) and a congener of (4072)
http://bible.crosswalk.com/Lexicons/Greek/grk.cgi?number=2665&version=kjv

(2596)
1] down from, through out
2] according to, toward, along
derivation: a primary particle
http://bible.crosswalk.com/Lexicons/Greek/grk.cgi?number=2596&version=kjv

(4072)
1] to fly
derivation: middle voice of a primary verb
http://bible.crosswalk.com/Lexicons/Greek/grk.cgi?number=4072&version=kjv

B. Hebrew

The word used to refer to the veil in the Tabernacle was translated to the English word "curtains"
1] curtain, drape
derivation: from (03415)
http://bible.crosswalk.com/Lexicons/Hebrew/heb.cgi?number=03407&version=kjv

(03415)
1] (Qal) to tremble, quiver
derivation: a primitive root
http://bible.crosswalk.com/Lexicons/Hebrew/heb.cgi?number=3415&version=kjv

Additional information:
Diagram of the location of  the veil in the Tabernacle is available here.

A link to each occurrence of this word in the homepage:
1] veil