| radical(adjective, characteristic, foundation, basis) |
| root(noun, source, foundation, basis, origin) |
| source(noun, foundation, basis, origin) |
| substratal(adjective, characteristic, foundation, basis) |
| underlying(adjective, characteristic, foundation, basis) |
| vital(adjective, characteristic, foundation, basis) |
| antecedent(noun, source, foundation, basis, origin) |
| author(noun, source, foundation, basis, origin) |
| authority(noun, source, foundation, basis, origin) |
| authorship(noun, source, foundation, basis, origin) |
| begetter(noun, source, foundation, basis, origin) |
| birthplace(noun, source, foundation, basis, origin) |
| commencement(noun, source, foundation, basis, origin) |
| connection(noun, source, foundation, basis, origin) |
| connexion(noun, source, foundation, basis, origin) |
| cradle(noun, source, foundation, basis, origin) |
| dawn(noun, source, foundation, basis, origin) |
| dawning(noun, source, foundation, basis, origin) |
| derivation(noun, source, foundation, basis, origin) |
| determinant(noun, source, foundation, basis, origin) |