Meaning

adjective progressing melodically by intervals larger than a major second

adjective having deep constrictions separating head, thorax, and abdomen, as in insects

adjective marked by separation of or from usually contiguous elements; - Scientific Monthly

originEtymology tree Proto-Indo-European *dwóh₁ Proto-Indo-European *d(w)is- Proto-Italic *dis- Latin dis- Old French des-bor. ▲ Latin dis-bor. Middle English dis- English dis- Latin junctus English disjunct From dis- + Latin junctus (“joined”).

Etymology from Wiktionary, CC BY-SA 3.0