According to Jeff Miller's Earliest Known Uses of Some of the Words of Mathematics, the term kernel was first used in this meaning by Pontryagin (in translation by Lehmer) in the slightly broader context of group homomorphisms. It doesn't say why Pontryagin or Lehmer chose that particular word though.
matrices - Word origin / meaning of 'kernel' in linear algebra ...
78 A semicolon is used to separate variables from parameters. Quite often, the terms variables and parameters are used interchangeably, but with a semicolon the meaning is that we are defining a function of the parameters that returns a function of the variables.
Mandan’s slogan, “Where the West Begins,” embodies our community’s rugged and hearty nature evident in our terrain, people, annual celebrations, and heritage, first as a village for the Mandan tribe, then a cavalry fort, railroad town and hub for area ranchers and farmers.
The Mandan (/ ˈmæn.dæn /) [2] are a Native American tribe of the Great Plains who have lived for centuries primarily in what is now North Dakota. They are enrolled in the Three Affiliated Tribes of the Fort Berthold Reservation.
In the heart of Morton County and the vibrant City of Mandan, we invite you to experience a destination where history, adventure and natural beauty converge. As part of the legendary landscape of North Dakota, Mandan offers a unique blend of cultural heritage and outdoor experiences.
Mandan, North American Plains Indians who traditionally lived in semipermanent villages along the Missouri River in what is now North Dakota. They spoke a Siouan language, and their oral traditions suggest that they once lived in eastern North America.