Guenesis

• Genesis: the first book of the Bible, dealing with the creation of the world → contrasted with a bockalips in the previous line

• Guinness: famous brand of Irish porter, brewed in Dublin at St James's Gate → a Guinness girl married a Russian Mihail Essayan and was living in Paris when Joyce was writing FW → 007.04 essavans

• s Finnegan's Wake: "and a barrel of porter at his head"