Etymology
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aneurysm (n.)

"dilation of an artery," early 15c., from Medieval Latin aneurisma, from Greek aneurysmos "dilation," from aneurynein "to dilate," from ana "up" (see ana-) + eurynein "widen," from eurys "broad, wide" (see eury-). Related: Aneurysmal; aneurysmic.

Entries linking to aneurysm

ana- 

before vowels an-, word-forming element meaning: 1. "upward, up in place or time," 2. "back, backward, against," 3. "again, anew," from Greek ana (prep.) "up, on, upon; up to, toward; throughout; back, backwards; again, anew," from an extended form of PIE root *an- (1) "on, upon, above" (see on, which is the English cognate). In old medical prescriptions, ana by itself meant "an equal quantity of each."

eury- 
word-forming element meaning "wide," from Greek eurys "broad, wide," from PIE root *were- (1) "wide, broad" (source also of Sanskrit uruh "broad, wide").
aneurism (n.)
the less correct, but more popular, spelling of aneurysm (q.v.), by influence of words in -ism. The -y- is etymologically correct; the spelling with -i- suggests a meaning "nervelessness."
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Definitions of aneurysm

aneurysm (n.)
a cardiovascular disease characterized by a saclike widening of an artery resulting from weakening of the artery wall;
Synonyms: aneurism
From wordnet.princeton.edu

Dictionary entries near aneurysm

anesthetic

anesthetist

anesthetize

aneuploidy

aneurism

aneurysm

anew

anext

anfractuous

angel

Angela

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