Last Updated：2025/11/19
(uncountable, linguistics) The process by which a new word is formed from an older word by interpreting the former as a derivative of the latter, often by removing a morpheme (real or perceived) from the older word, such as the verb burgle, formed by removing -ar (perceived as an agent-noun suffix) from burglar.
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back-formation
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Source Word
back-formation
Noun
uncountable
countable
(uncountable,
linguistics)
The
process
by
which
a
new
word
is
formed
from
an
older
word
by
interpreting
the
former
as
a
derivative
of
the
latter,
often
by
removing
a
morpheme
(real
or
perceived)
from
the
older
word,
such
as
the
verb
burgle,
formed
by
removing
-ar
(perceived
as
an
agent-noun
suffix)
from
burglar.
Japanese Meaning
（言語学）既存の単語から、実際または認識上の形態素を取り除くことにより、その単語が派生語であると誤解することから、新たな単語を形成する過程。 / （言語学）既存の語に含まれる付加部分（接尾辞など）を除去することで、本来ないはずの語形が生み出される現象。
Sense（1）
(uncountable,
linguistics)
The
process
by
which
a
new
word
is
formed
from
an
older
word
by
interpreting
the
former
as
a
derivative
of
the
latter,
often
by
removing
a
morpheme
(real
or
perceived)
from
the
older
word,
such
as
the
verb
burgle,
formed
by
removing
-ar
(perceived
as
an
agent-noun
suffix)
from
burglar.
（ plural ）
