precursor /prē-kûrˈsər/

1. Something that exists or goes in advance of another
2. An indication of the approach of an event
3. A forerunner, herald or harbinger
4. A predecessor
5. A substance from which the one in question is derived or manufactured (chem)

• eight bells
• eight-day
• eighteen
• eighteen-hole
• eighteenmo
• eighteenmos
• eighteen-pence
• eighteen-penny
• eighteen-penny piece
• eighteens
• eighteenth
• eighteenthly
• eighteenths
• eightfoil
• eightfoils
• eightfold
• eight-foot
• eighth
• eighthly
• eighth note
• eighth notes
• eight-hour
• eighths
• eighties
• eightieth