On the dot

I know it means exactly
but where did the phrase originally come from?

"The expression is probably a reference to the minute hand of the clock being exactly over the dot marking the given minute on the dial." From Brewer's Dictionary of Phrase and Fable revised by Adrian Room (HarperCollinsPublishers, New York, 1999, Sixteenth Edition).

Replies

  • On the stroke Henry 23/November/04