[ spee-doh ]
/ ˈspi doʊ /
noun, plural speed·os. Informal.
Origin of speedo
1950–55; by shortening; cf. -o
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
/ (ˈspiːdəʊ) /
noun plural speedos
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
trademark name of a brand of swimwear, 1928, originally made by McRae Hosiery Manufacturers, Australia. From speed.
Online Etymology Dictionary, © 2010 Douglas Harper