n. 25B6; noun PRELIMINARY WORK, preliminaries, preparations, spadework, legwork, donkey work; planning, arrangements, organization, homework; basics, essentials, fundamentals, underpinning, foundation.
GROUNDWORK
Meaning of GROUNDWORK in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012