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Linchpin

Meaning

Noun

A
through
at the
an
or
,
a
or
-mounted device.
A
of
and security; a person or
that is
to a system or organisation.

Verb

To
as, or
as, a
of
and security.
Sourced from
Wiktionary

Origin

linchpin
English
arrow
lynspin
Middle English (1100-1500)
arrow
lynis
Old English (ca. 450-1100)
Sourced from
Etym
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