Back to

• back to → to turn one's back on something

• back to → to have one's back to something → when he sits up in bed HCE has his back to Howth

• back to → to arrive back at some place

• Bach: (German) stream → ALP as the river Liffey → just as this paragraph opened with an allusion to the watery element (riverrun), so it ends with another; interestingly, both have German overtones → see aquaface for more commentary