See my username.
I think we should keep with the Honeypenny idea. Honey is a "sweet substance produced by bees", and the latin word for honey is indeed mella.
From https://answers.yahoo.com/question/index?qid=20081106172156AAApZQB : "There is a somewhat rare Latin word, mella,-ae, which appears in Plautus' play the Pseudolus, and at least one other author, meaning a mixture of water and honey, sometimes referred to as 'hydromel.'"
With regard to how sweet CryptoNote is, miners are worker bees!