a learned borrowing from Greek meaning “vessel,” “container,” used in the formation of compound words: angiosperm.
Also especially before a vowel, angi-.
Origin of angio-
< Greek, combining form representing angeîon, equivalent to áng(os) vessel, vat, shell + -eion diminutive suffix
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
before a vowel angi-
indicating a blood or lymph vessel; seed vesselangiology; angiosperm; angioma
Word Origin for angio-
from Greek angeion vessel
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
before verbs angi-, word-forming element now usually meaning "covered or enclosed by a seed or blood vessel," from Latinized form of Greek angeion "a vessel, receptacle," diminutive of angos "chest, box," of unknown origin.
Online Etymology Dictionary, © 2010 Douglas Harper
Blood and lymph vessel:angiography.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.