a pair of trousers

trousers are referred to as pairs even though there is only one garment.this reference dates back to elizabethan times when hose came as two separate legs which were secured around the waist,giving the appearance of one garment.hence the term a pair of trousers.

Hi, thanks for the comment. It’s requested that people give a link to the specific column that spawned the thread so we can all be on the same page.

The original column is apparently Why do we say a “pair of pants” when there’s only one of them?.

The timing is about right for your etymology.

Online Etymology Dictionary.

And most commentary agrees that the usage stemmed from having separate legs. Cecil is correct only that the pluralness didn’t start with trousers but goes much farther back and that the plural was applied to everything you stuck legs through even if they were never originally in two pieces.

Word Wide Words