でもって
Meanings
1
in addition to that; furthermore; moreover; as well as
Conjunctive expression used to add information, similar to 'and also' or 'what's more'. Often appears in formal or written contexts.
See also: もって
He is a capable manager, and what's more, he is enthusiastic about community activities.
2
Particle indicating means or method, more emphatic than で. Often used in formal or written language to stress the instrument or manner.
See also: で
We will solve this problem by means of the latest technology.