A lot vs. Alot: 9 Grammatical Pitfalls
late 16c. (n.), 1650s (v.), from dove (n.) + tail. So called from resemblance of shape in the tenon or mortise of the joints to that of the bird’s tailfeather display. Related: Dovetailed.
To say something linked and sequential: Let me dovetail on what you just said (1970s+ Army)