Etymology 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- English respect English disrespectclip. English disparageclip. English diss Originated in Jamaican English or African American Vernacular English, probably originally a clipping of disrespect or disparage, both from the prefix dis-, ultimately from Latin dis-.
1
Slang To put (someone) down, or show disrespect by the use of insulting language or dismissive behaviour.
When a journalistic rival tries to "dis" you And to prejudice you in the public's eyes. Don't stigmatise his charges as a "tissue Of palpable, unmitigated lies."1905 December 10, “A New Word”, in The Sunday Times, Perth, page 4:
diss
noun
Etymology
Etymology 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- English respect English disrespectclip. English disparageclip. English diss Originated in Jamaican English or African American Vernacular English, probably originally a clipping of disrespect or disparage, both from the prefix dis-, ultimately from Latin dis-.
1
Slang An insult or put-down; an expression of disrespect.
I've been wondering what happens if I fail my diss. I know i'm allowed to fail 60 credits but I don't think that includes the diss.2012 April 5, shkbop9190, “Failing a Dissertation”, in The Student Room Forums, retrieved 01 Dec 2016:
diss
noun
Etymology Borrowed from Arabic دِيس (dīs).
1
Ampelodesmos mauritanicus syn. Ampelodesmos tenax, a reedy grass used for cordage.