Ghost: We saw this rune before, on the Dreadnaught. It means either "doorway" or "treasure" or "chamber". Perhaps the Hive use this rune to tap into their Throne-world dimensions.
Non-veteran dialogue Recorded 2017.11.30
Ghost: Hive runes draw their power from a different dimension, where there’s no difference between a word and its meaning. When the Hive erode the barrier between our dimension and theirs, the rune for “death” brings literal death.