My guess is that the name is a play on "ruminate", which originally meant "to chew the cud" as ruminant animals do. However, long ago it came to also mean "to

My guess is that the name is a play on "ruminate", which originally meant "to chew the cud" as ruminant animals do. However, long ago it came to also mean "to think deeply about", as if a person might be "chewing" some information in an attempt to digest it. I'm assuming they mean the latter meaning.