## Meanings
1. A group of letters added to the front of a word to change its meaning, such as "un-" in "unhappy."
2. To add something to the front or beginning of something else.

## Examples
- The prefix "re-" means "again," as in "rewrite."
- You should prefix each filename with the date.

## Synonyms
- forefix

## Derived Forms
- prefixable
- prefixal
- prefixation
- prefixed
- prefixer
- prefixhood
- prefixing
- prefixive
- prefixless
- prefixlike
- prefixness
- prefixoid

## Related Forms
- coverb
- fix
- pre-
- prefixion
- prepend

## Roots and Affixes
- Root: prefixen
- Root: prefixer
- Root: praefīxus

## Etymology
From Middle English prefixen, from Middle French prefixer, from Latin praefīxus, past participle of praefīgō (“to (fix, fasten, set up) in front”, “to fix on the (end, extremity)”) (from prae- (“before”) + fīgō (“to fix”, “to fasten”, “to affix”)), equivalent to pre- + -fix.

## AI Etymology
Prefix comes from Middle English prefixen, from Middle French prefixer, from Latin praefīxus, past participle of praefīgō (“to (fix, fasten, set up) in front”, “to fix on the (end, extremity)”) (from prae- (“before”) + fīgō (“to fix”, “to fasten”, “to affix”)), equivalent to pre- + -fix. In present-day English it covers a group of letters added to the front of a word to change its meaning, such as "un-" in "unhappy." and to add something to the front or beginning of something else. The wider family includes derived forms such as prefixable, prefixal, prefixation, prefixed, prefixer and related forms such as coverb, fix, pre-, prefixion.

## Topics
- Space, Position & Direction

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