Adventitious
WordNet
adjective
(1) Associated by chance and not an integral part
"Poetry is something to which words are the accidental, not by any means the essential form"- Frederick W. Robertson
"They had to decide whether his misconduct was adventitious or the result of a flaw in his character"
WiktionaryText
Etymology
From , from .
Adjective
- From an external source; not innate or inherent, foreign.
- accidental, additional, appearing casually
- Not congenital; acquired.
- Developing in an unusual place or from an unusual source.