Definition of 大本 (おおもと)
おおもと
                        大本
おおもと
oomoto
Common word
noun, no-adjective
•
                
root, origin, source, cause, basis, foundation
Other readings:
                大もと【おおもと】
                Related Kanji
| 大 | large, big | 
| 本 | book, present, main, origin, true, real, counter for long cylindrical things |