Last Updated：2025/11/28
(anthropology) A family system in which a couple's firstborn child lives with them in the family home, and that child's spouse moves into the home of said in-laws, so that the younger couple's children are raised in the home of their grandparents. Usually, the younger offspring move out upon marriage. The inheritance, depending on the culture, may or may not be the most favorable to the firstborn.
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stem family
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Source Word
stem family
Noun
(anthropology)
A
family
system
in
which
a
couple's
firstborn
child
lives
with
them
in
the
family
home,
and
that
child's
spouse
moves
into
the
home
of
said
in-laws,
so
that
the
younger
couple's
children
are
raised
in
the
home
of
their
grandparents.
Usually,
the
younger
offspring
move
out
upon
marriage.
The
inheritance,
depending
on
the
culture,
may
or
may
not
be
the
most
favorable
to
the
firstborn.
Japanese Meaning
（人類学）幹家族。夫婦の長子が実家に住み、その長子の配偶者が義家に入ることで、一族全体が一つの家庭単位となり、子どもたちは祖父母の家で育てられる家族制度。通常、若い夫婦は結婚後に独立する場合が多い。
Sense（1）
(anthropology)
A
family
system
in
which
a
couple's
firstborn
child
lives
with
them
in
the
family
home,
and
that
child's
spouse
moves
into
the
home
of
said
in-laws,
so
that
the
younger
couple's
children
are
raised
in
the
home
of
their
grandparents.
Usually,
the
younger
offspring
move
out
upon
marriage.
The
inheritance,
depending
on
the
culture,
may
or
may
not
be
the
most
favorable
to
the
firstborn.
（ plural ）
