from Atomica:

hun·ky-do·ry
adj. Slang.

Perfectly satisfactory; fine.
[Probably alteration of hunky, safe, all right, from obsolete hunk, goal, home in a game, from Dutch honk, from Frisian hunk.]


and from M-W:

Main Entry: hun.ky-do.ry
Pronunciation: "h&[ng]-kE-'dOr-E, -'dor-
Function: adjective
Etymology: obsolete English dialect hunk (home base) + -dory (origin unknown)
Date: 1866
: quite satisfactory : FINE


formerly known as etaoin...