precursor (n.)
- agent
- airhead
- ancestor
- announcer
- antecedence
- antecedency
- antecedent
- anteriority
- apprentice
- architect
- artificer
- artist
- author
- avant-garde
- beachhead
- begetter
- beginner
- bridgehead
- builder
- catalyst
- colonial
- colonist
- colonizer
- conceiver
- constructor
- craftsman
- creator
- designer
- deviser
- discoverer
- dominion
- effector
- engineer
- executor
- executrix
- father
- ferment
- forefront
- forerunner
- founder
- front
- front-runner
- generator
- grower
- harbinger
- heading
- herald
- homesteader
- immigrant
- industrialist
- initiator
- innovator
- instigator
- inventor
- journeyman
- leading
- leaven
- line
- maker
- manufacturer
- master
- messenger
- modifier
- mother
- nester
- omen
- organizer
- originator
- outpost
- outrider
- pioneer
- planner
- planter
- point
- precedence
- precedency
- precedent
- precession
- predecessor
- preference
- prefixation
- prelude
- premise
- priority
- prodroma
- prodrome
- producer
- prototype
- railhead
- raiser
- scout
- settler
- shaper
- sire
- smith
- sooner
- spearhead
- squatter
- superiority
- symptom
- thundercloud
- thunderhead
- transformer
- urgency
- van
- vanguard
- wright
- yeast