The act or state of encompassing; something that encompasses or encloses.
From encompass + -ment (noun-forming suffix creating abstract nouns of action/state). The -ment ending emphasizes the process or result of encompassing.
Notice how English lets you turn almost any verb into a -ment noun (enjoy→enjoyment, move→movement, encompass→encompassment), but some sound natural and others feel forced. 'Encompassment' exists but feels stuffy compared to just saying 'surrounding' or 'inclusion.'
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