smith‧e‧reens /ˌsmɪðəˈriːnz/ 
 noun [plural][
Date: 1800-1900; 
Language: Irish Gaelic; 
Origin: smidirin, from smiodar 'small piece'] 
smash/blow etc something to smithereens informal to destroy something by breaking it into very small pieces, or with an explosion: 
 The shop was blown to smithereens by the explosion.
 The shop was blown to smithereens by the explosion.  [TahlilGaran] Dictionary of Contemporary English ▲