picking mulberry leaves; mulberry-leaf pickers
Refers to the activity of harvesting mulberry leaves, typically for silkworm cultivation, or to the people who do this work. The context is usually agricultural or historical.
春になると、村では桑摘みが始まる。
When spring comes, mulberry-leaf picking begins in the village.
昔は子供たちも桑摘みを手伝った。
In the old days, children also helped with picking mulberry leaves.
Compound of 桑 (kuwa, 'mulberry') and 摘み (tsumi, 'picking', the noun form of 摘む). The reading is a straightforward combination of the kun'yomi readings of the two kanji.