Afro

google

ref

1930s (as an adjective in the sense ‘African or African American’): from Afro-.

wiktionary

ref

etymonline

ref

Afro (n.)

"full, bushy hairstyle worn by some people of African ancestry," 1938, from Afro-. Sometimes shortened to 'fro. As a general adjective for black styles of clothing, music, etc., it is attested from 1966.