a making desolate, desolation (see commentary)
derivation: from (2049)
http://bible.crosswalk.com/Lexicons/Greek/grk.cgi?number=2050&version=kjv

(2049)
1] to make desolate, lay waste
2] to ruin, bring to desolation
3] to despoil one, strip her of her treasures
derivation: from (2048)
http://bible.crosswalk.com/Lexicons/Greek/grk.cgi?number=2049&version=kjv

(2048)
1] solitary, lonely, desolate, uninhabited
   1.a] used of places
       1.a.1] a desert, wilderness
       1.a.2] deserted places, lonely regions
       1.a.3] an uncultivated region fit for pasturage
   1.b] used of persons
       1.b.1] deserted by others
       1.b.2] deprived of the aid and protection of others, especially of friends, acquaintances, kindred
       1.b.3] bereft 1b
   1.c] of a flock deserted by the shepherd 1b
   1.d] of a woman neglected by her husband, from whom the husband withholds himself
http://bible.crosswalk.com/Lexicons/Greek/grk.cgi?number=2048&version=kjv

A link to each occurrence of this word in the homepage:
1] desolation
2] desolation
3] desolate (2048)