Main Entry:

ad·ven·ti·tious

Pronunciation:

\ˌad-(ˌ)ven-ˈti-shəs, -vən-\

Function:

adjective

Etymology:

Latin adventicius

Date:

1603

1 : coming from another source and not inherent or innate <a Federal house without adventitious later additions> 2 : arising or occurring sporadically or in other than the usual location <adventitious roots>

— ad·ven·ti·tious·ly adverb