BT Ber 58b(48) :דאי עבר כיסלא חרוב עלמא‏ : if (the comet) had passed through Orion, the world would have been destroyed
See the entire entry for ḥrb vb. to become waste

BT Ber 58b(48) :זיויה הוא דעבר ומתחזי כעבר כוכבא הוא‏ : it is (Orion's) glow which has passed by (in the sky), and it appears as if a star had passed by
See the entire entry for ˁbr vb. to cross over