Learn how to say Trivially correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word trivial:
1of little value or importance:
huge fines were imposed for trivial offences
(of a person) concerned only with petty things.
2 Mathematics denoting a subgroup that either contains only the identity element or is identical with the given group.
late Middle English (in the sense ‘belonging to the trivium’): from medieval Latin trivialis, from Latin trivium (see trivium)