| leaving(noun, beginning, opening, bow, exit) |
| nativity(noun, cause, start, beginning, origin) |
| opener(noun, top, beginning, opening, creation) |
| opening(noun, start, top, beginning, launch) |
| outbreak(noun, cause, start, beginning, origin) |
| rise(noun, top, beginning, opening, creation) |
| root(noun, cause, top, opening, source) |
| running start(noun, expression, beginning, opening, bow) |
| setting out(noun, expression, beginning, opening, bow) |
| start-off(noun, beginning, opening, bow, exit) |
| starting point(noun, expression, top, beginning, opening) |
| takeoff(noun, start, top, beginning, opening) |
| agent(cause, source, derivation) |
| ancestor(cause, source, derivation) |
| ancestry(cause, source, derivation) |
| antecedent(cause, source, derivation) |
| author(cause, source, derivation) |
| base(cause, source, derivation) |
| causality(cause, source, derivation) |
| causation(cause, source, derivation) |