מְגִלָּה

From LSJ

οὐκ ἔστι γῆρας τοῦδε τοῦ μιάσματος → that pollution never wears out, that pollution can never grow old

Source

English (Strong)

(Aramaic) corresponding to מְגִלָּה: roll.
from גָּלַל; a roll: roll, volume.