ロウ, ろう.する, いたわ.る, いた.ずき, ねぎら, つか.れる, ねぎら.う

labor, thank for, reward for, toil, trouble

JLPT3 G4 S7 F398

As per ?# as described in (curve) + power/energy → bend/stoop in *labor* and/or *fatigue* (compare ) → *work hard*; *hard work*.

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