clyack
Completion of the harvest season, harvesting the last sheaf of grain.
dated, uncountable
The “clyack” sheaf was cut by the maidens on the harvest field. On no account was it allowed to touch the ground.
Where it comes from
From Scots clyack, which is in turn from Scottish Gaelic caileag.
Adapted from the Wiktionary entry clyack (CC BY-SA 4.0).