Here’s a funny thing I found:

‘g’ stands for something different every gRPC release

• 1.0 ‘g’ stands for ‘gRPC’
• 1.1 ‘g’ stands for ‘good’
• 1.2 ‘g’ stands for ‘green’
• 1.3 ‘g’ stands for ‘gentle’
• 1.4 ‘g’ stands for ‘gregarious’
• 1.6 ‘g’ stands for ‘garcia’
• and many more…

https://github.com/grpc/grpc/blob/master/doc/g_stands_for.md