disicio

Etymology
From.

Verb

 * 1) to throw or drive asunder; scatter, disperse, break up, divide; dishevel; spread
 * 2)  to disperse, scatter or rout the enemy
 * 3) to destroy, bring to naught; thwart, overthrow, frustrate

Usage notes
In prosody, the first syllable is always long by position due to the unwritten, thus can be found written as  in some editions or manuals, which however doesn't signify the length of the vowel itself.