also grassroot adjective Date: 1907 basic , fundamental , being, originating, or operating in or at the grass roots , not adapted from or added to an existing facility or operation ; totally new
GRASSROOTS
Meaning of GRASSROOTS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012