Arclight

• arc de ciel: (French) rainbow

• Arklow: a town in County Wicklow
  • logi: (Old Norse) flame → Arklow was named after a Danish navigational beacon
  • A Finnegan Wakes Gazetteer

• arclamp

• Ark-light: a light in Noah's Ark

• light: a lamp in HCE's bedroom? Or is the allusion to his bright red nose, the result of overindulgence in alcohol?

• Berkeley: George Berkeley (pronounced barklee), Irish philosopher and clergyman
  • Third Census of Finnegans Wake