"Treadmilling" Natural Recordings by Native Speakers
Unproductive or unfulfilling repetition; trudging through a job or activity that lacks challenge or meaning.
(from a phrase "treadmill", referring to a running machine that moves while a person exercises on it, often in a repetitive and unchallenging way)
Thick, sweet liquid, like honey, made from the sap of trees, used to make sweets and preserve fruits