Prefix indicating the opposite or the negation.
From Latin dis-, a negating prefix but in some instances could mean "utterly" (for example, in the case of dirección) or "asunder."
From Proto-Italic *dis 'id.' From Proto-Indo-European *dis "apart."
Old High German zi "apart," Old English te- 'id.'
Albanian ç- "apart"
Ancient Greek διά (diá) "in two"
Basque des-, borrowed from Spanish or another Romance language around the early 16th cent.