Etymology tree
Proto-Indo-European *h₁es-
Proto-Indo-European *h₁ésti
Proto-Germanic *isti
Proto-West Germanic *ist
Old English is
Middle English is
English is
Proto-Indo-European *né
Proto-Germanic *ne
Proto-West Germanic *ne
Proto-Indo-European *h₂ey-
Proto-Indo-European *-u
Proto-Indo-European *h₂óyu
Proto-Indo-European *-osinflu.
Proto-Germanic *aiwaz
Proto-West Germanic *aiw
univ.
Proto-West Germanic *naiw
Proto-Indo-European *wekʷ-
Proto-Indo-European *-tis
Proto-Indo-European *wékʷtisder.?
Proto-Indo-European *weǵʰ-
Proto-Indo-European *-tis
Proto-Indo-European *wéǵʰtisder.?
Proto-Germanic *wihtą
Proto-West Germanic *wiht
Proto-West Germanic *naiwwiht
Old English nāwiht
Old English *nōht
Middle English nought
Middle English not
English notder.
English -n't
English isn't
From is + -n't.
Meanings
(colloquial, nonstandard) Something or someone that is defined by the lack of the characteristic being discussed.
The most obvious recommendations for Joe Biden are a succession of “isn’ts.” He isn’t Donald Trump. He isn’t Bernie Sanders. He isn’t angry, bigoted, cruel, demagogic, erratic, frightening or gross. He isn’t going to drive Americans to distraction or the country into a ditch. 2020 August 17, Bret Stephens, “On Being a Biden Conservative”, in The New York Times:
Etymology tree
Proto-Indo-European *h₁es-
Proto-Indo-European *h₁ésti
Proto-Germanic *isti
Proto-West Germanic *ist
Old English is
Middle English is
English is
Proto-Indo-European *né
Proto-Germanic *ne
Proto-West Germanic *ne
Proto-Indo-European *h₂ey-
Proto-Indo-European *-u
Proto-Indo-European *h₂óyu
Proto-Indo-European *-osinflu.
Proto-Germanic *aiwaz
Proto-West Germanic *aiw
univ.
Proto-West Germanic *naiw
Proto-Indo-European *wekʷ-
Proto-Indo-European *-tis
Proto-Indo-European *wékʷtisder.?
Proto-Indo-European *weǵʰ-
Proto-Indo-European *-tis
Proto-Indo-European *wéǵʰtisder.?
Proto-Germanic *wihtą
Proto-West Germanic *wiht
Proto-West Germanic *naiwwiht
Old English nāwiht
Old English *nōht
Middle English nought
Middle English not
English notder.
English -n't
English isn't
From is + -n't.
Meanings
(abbreviation, alt-of, contraction) Contraction of is + not (negative auxiliary).
As we age, the major arteries of our bodies frequently become thickened with plaque, a fatty material with an oatmeal-like consistency that builds up along the inner lining of blood vessels. The reason plaque forms isn’t entirely known, but it seems to be related to high levels of cholesterol inducing an inflammatory response, which can also attract and trap more cellular debris over time. 2013 July-August, Stephen P. Lownie, David M. Pelz, “Stents to Prevent Stroke”, in American Scientist:
rom na-i (is not) · fi ei ole (is not) · ga ní (is not) · fa نیست (is not) · es no es (is not) · pt não é (is not) · sco isnae (is not) · is er ekki (is not) · gl non é (is not) · da er ikke (is not) · pl nie ma (is not) · eo ne estas (is not) · lv nav (is not) · et pole (is not) · sv är inte (is not) · cs není (is not) · cmn 不是 (is not) · ga níl (is not) · sga ní (is not) · pl nie jest (is not) · et ei ole (is not) · got 𐌽𐌹𐍃𐍄 (is not) · sco isna (is not)