eddy small whirlpool. XV (Sc. ydy). perh. of Scand. orig. (cf. ON. iǒa eddy, whirlpool); prob. f. base of OE. ed- again, back = OHG. et(a)-, ON. iǒ-, Goth. iþ then, but, rel. to L. et and, Gr. éti yet; cf. MHG. itwæge flood, whirlpool (-wæge corr. to OE. wǣġ wave).
Main Entry: 1ed·dy
Inflected Form(s): plural eddies
Etymology: Middle English (Scots) ydy, probably from Old Norse itha
Date: 15th century