Last Updated：2025/12/30
Sentence
A
fossil
word
in
a
language
is
a
word
which
has
fallen
out
of
use
except
for
in
set
phrases:
e.g.
the
English
word
fro,
used
only
in
to
and
fro.
A
fossilized
bound
morpheme
(e.g.
a
fossilized
affix)
is
one
which
was
once
able
to
derive
words,
but
which
now
only
exists
as
a
fixed
component
of
words:
e.g.
the
English
abstract
noun–forming
suffix
-th.
Quizzes for review
A fossil word in a language is a word which has fallen out of use except for in set phrases: e.g. the English word fro, used only in to and fro. A fossilized bound morpheme (e.g. a fossilized affix) is one which was once able to derive words, but which now only exists as a fixed component of words: e.g. the English abstract noun–forming suffix -th.
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