In business, a name that describes a product category rather than a specific brand; often contrasted with 商標名 (trademark name).
The genus name of this plant is the rose genus.
'Escalator' was originally a trademark, but now it is used as a generic name.
属 (ぞく, 'genus' or 'category') + 名 (めい, 'name'). The biological sense is a direct translation of the taxonomic term 'genus name', while the business sense extends the idea to product categories.