harvest, reap
穫 centers on gathering crops: the act of harvesting or reaping what has been grown.
穫 combines 禾 (grain) with 蒦, which likely contributes the sound and relates to measuring or obtaining, together suggesting the gathering of grain.
The left side 禾 is grain, and the right side 蒦 looks like a hand holding a tool over plants. Picture a farmer reaping grain with a sickle: that's the harvest.
For カク, imagine a harvest festival where everyone wears a cocky hat made of grain stalks: cock -> カク, and the grain is being reaped.
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harvest; crop; ingathering
crop estimate
harvester ant
crop estimate
Thanksgiving Day; harvest festival
time of harvest
harvest time
harvest; crop; yield
harvest festival
diminishing returns
law of diminishing returns; law of diminishing marginal returns
crop; income
to harvest (a crop)
to be harvested; to be picked
returns to scale