v. [f. EN-1, IN- + GROOVE sb. or v.] trans. a. To work (something) into a groove. b. To form a groove in.

1

a. 1842.  Tennyson, Love thou thy land, xii. Let the change which comes be free To ingroove itself with that which flies.

2

1880.  Blackmore, Mary Anerley, II. iii. 39. A narrow glen, engrooved with sliding water.

3