Doornail

• as dead as a doornail (saying) → metonymy

• drink .. door: deoch an dorais (Irish) - parting drink (literally 'drink of the door')

• at Death's door: (phrase) on one's deathbed → the, the last word of FW, and Dor on 020.17

• Karl Reisman notes "whiskey" in "doornail" from medieval French for door (huis) + Danish nogle (key) --- HenHanna notes in 2nd & 4th letters of the Hebrew alphabet (meaning House & Door ) Bet & Daleth - Birth & Death.

• Do ye think me dead? (song) Finnegan's Wake

• dor: generation (Hebrew); nail: that was used in Jesus' Crucifixion. The hero is killed in every generation?