generated at
vitality

noun
the state of being strong and active; energy:
元気, 活気, 生気; 熱意
e.g. changes that will give renewed vitality to our democracy.
the power giving continuance of life, present in all living things:
生命力, 活力(vital force)
e.g. the vitality of seeds.

ORIGIN
late 16th century: from Latin vitalitas, from vitalis (see vital).