English
adventitiousness
From adventitious + -ness.
A compound of adventitious + -ness
Proto-Indo-European *gʷem- ‘to come, to step’
…
Latin adveniō ‘to arrive’
Latin adventus ‘arrival, coming, approach, advent’
Latin adventīcius ‘foreign, strange, accidental’
Medieval Latin adventītius ‘coming from abroad, extraneous’
English adventitious
Today it means
noun The degree to which a thing is adventitious.
Language periods are conventional ranges, not dates for this word.
Etymograph / adventitiousness