"Nado" comes from the Japanese word for "et cetera", and is a machine learning word generator that learns from examples and produces similar words.
Names produced by this generator are intended for use in tabletop RPGs or creative writing. They are not meant to be accurate representations of real-life cultures. Category names refer to the source of the original data that the generator learned from.
For those interested in the internals, Nado's model is a character-based long short term memory (LSTM) neural network. The generative model is trained on cross-entropy loss over the training data, and output is generated with a beam search of width 2.