One point English lesson (prefixes)

A prefix (affix) is a word, or letter(s) placed at the beginning of another word (a base word)

to adjust or qualify its usage or meaning.

Todays prefix:

re-

For Example:

reuse = use again

replay = play again

restart = start again

rebuild = build again

There are many different types of prefixes used for different purposes.

"re-tail" is not an example of a prefix.