Origin: Latin suffix -al
Internal has 7 different meanings across 1 category:
happening or arising or located within some limits or especially surface
"internal organs"
"internal mechanism of a toy"
"internal party maneuvering"
occurring within an institution or community
"intragroup squabbling within the corporation"
Of or situated on the inside.
"The surgeon carefully checked for any internal injuries after the car accident."
Within the body.
"The doctor examined her internal organs after she complained of sudden abdominal pain."
In plain English: Internal means something that is inside or happening within a person or thing rather than on the outside.
"The internal controls at the company are designed to prevent financial fraud."
Usage: Use internal to describe something located within the boundaries of an object, organization, or system rather than outside it. It is appropriate when referring to internal organs, internal affairs, or internal components that function as part of a whole.
The word "internal" comes from Middle English via New Latin, where it originally meant "of or pertaining to the inner part." It entered English as a direct borrowing from the Latin term internālis, which combined the root for "inward" with an adjectival suffix.