More about embosk
The verb embosk “to hide in bushes” doesn’t look quite as bogus as embiggen, but it’s not far off. The prefix em-, a form of en- used before labial consonants (p, b, m) as in embalm, embankment, and embark, is familiar enough. Bosk is the funny word. It first appears as a singular noun boske (and plural boskes) in the late 13th century, meaning bush, bushes, and is last recorded about 1400 in Cleanness (or Purity), a poem by an unknown author known as the Gawain Poet. Bosk survives in British dialect but reentered standard English in the 19th century through the poetry of Sir Walter Scott and Alfred, Lord Tennyson. As rare as bosk is, its derivative embosk is even rarer. Embosk entered English in the late 20th century.