Related Clues:
- Fundamental cause
- Rub ingredient
- Firmly establish sound course
- Derivation
- Source of river also running westward
- Solution of equation produces cheer
- Rummage, origin
- As well to run back to burrow
- Eg, cinnamon
- Flavouring substance
- Basic source or origin
- Origin; eg, carrot
- Pungent flavouring
- Part of a tree
- Something providing excitement