This is the 8202nd most frequent French word.
vervisch
It appears that "vervisch" is not a recognized French word. It may be a typo, surname, or something else.
In this sentence, 'vervisch' is used as a verb meaning 'to varnish' or apply a protective, glossy coating.
Il vérvische la peinture sur la toile pour un effet créatif.
He varnishes the paint on the canvas for a creative effect.
Here, 'vervisch' describes the quality or result related to a varnish product or technique, indicating glossiness or brilliance added.
Cette finition vervisch améliore l'éclat de la surface.
This varnish finish enhances the surface's brilliance.
In this context, 'vervischait' is the imperfect past tense of 'vervisch', denoting the repeated action of varnishing performed by the craftsman.