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.