Webster’s Revised Unabridged Dictionary · 1913
Delve
Delve (dĕlv) v. t. [imp. & p. p. Delved; p. pr. & vb. n. Delving.] [AS. delfan to dig; akin to OS. bidelban to bury, D. delven to dig, MHG. telben, and possibly to E. dale. Cf. Delf a mine.] 1. To dig; to open (the ground) as with a spade.
Delve of convenient depth your thrashing floor. Dryden.
2. To dig into; to penetrate; to trace out; to fathom.
I can not delve him to the root. Shak.
Delve, v. i. To dig or labor with a spade, or as with a spade; to labor as a drudge.
Delve may I not: I shame to beg. Wyclif (Luke xvi. 3).
Delve, n. [See Delve, v. t., and cf. Delf a mine.] A place dug; a pit; a ditch; a den; a cave.
Which to that shady delve him brought at last. Spenser.
The very tigers from their delves Look out. Moore.