In his heyday

Posted by ESC on April 10, 2003

In Reply to: Origin of phrase posted by CJ on April 10, 2003

: does anyone know where the expression
: 'in his hayday' comes from

Here's what I found. From Merriam-Webster online. See the last line:

Main Entry: 1hey·day
Pronunciation: 'hA-"dA
Function: interjection
Etymology: irregular from hey
Date: 1672
archaic -- used to express elation or wonder

Main Entry: 2heyday
Function: noun
Date: 1590
1 archaic : high spirits
2 : the period of one's greatest strength, vigor, or prosperity