Hyphen (noun)

A punctuation mark (-) used to connect words or parts of words to form a single word or phrase.

Origin:

The word "hyphen" is derived from the greek word "huphen" meaning "together" and was first used in the late 16th century to describe a punctuation mark used to connect words or parts of words to form a single word or phrase.

Examples:

1. The word "self-esteem" is written with a hyphen.
2. The hyphen is used to connect prefixes and suffixes to base words.
3. The hyphen is used to join compound words together.
4. The hyphen is used to separate the syllables of a word at the end of a line.
5. The usage of hyphen is governed by the rules of grammar and punctuation.