元, 本, 素, 基, もと
1. origin, source, beginning
2. basis, base, foundation, root
3. cause
4. (raw) material, ingredient, base, mix (e.g. for a cake), (soup) stock
5. (one's) side
6. capital, principal, cost price
7. root (of a plant), (tree) trunk
8. part (of a brush, ...
原-;根,主干;量词(数植物或树等)