1. (noun) a developed system of roots

• root system

2. (noun) the place where something begins, where it springs into being

• beginning
• origin
• root
• source

1. (noun) the place where something begins, where it springs into being

• birthplace
• cradle
• place of origin
• provenance
• provenience
• derivation
• fountainhead
• head
• headspring
• headwater
• home
• jumping-off place
• point of departure
• point source
• spring
• trail head
• trailhead
• wellhead
• wellspring

1. (noun) fixedness by or as if by roots

• fixedness
• immobility
• stationariness

2. (noun) a developed system of roots

• scheme
• system

3. (noun) the place where something begins, where it springs into being

• point

1. (noun) the place where something begins, where it springs into being

• originate
• root
• root