hyphenate

to break a word at the end of a line according to the hyphenation rules by adding a hyphen on the end of the line.

to join words or syllables with a hyphen.

you have to hyphenate his surname as it's double-barrelled

A person or object with multiple duties, abilities or characteristics, such as "writer-director", "actor-model", or "singer-songwriter".

A person whose ethnicity is a multi-word hyphenated term, such as "African-American".

We seem to have settled on African-American, and at first glance it certainly does seem logical. […] Not to mention what happens when hyphenates marry other hyphenates and have baby hyphenates.