שַׁחֲרוּת shachărûwth

Meaning

a dawning, i.e. (figuratively) juvenescence

In the King James Version: youth.

Derivation: from H7836 (שָׁחַר);

Where it is used

• Ecclesiastes 11:10 So banish sorrow from your heart, and cast off pain from your body, for youth and vigor are fleeting.