nourish + -ment

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the food or other substances necessary for growth, health, and good condition:

栄養物, 栄養のある食べ物.

e.g. tubers from which plants obtain nourishment.

the action of nourishing someone or something:

栄養を与える［与えられる］こと, 育成

e.g. they suck out the sap and eliminate from it a sweet liquid for the nourishment of their young.