Prolonged from 'achowr; backwards -- back (-ward, again).
see HEBREW 'achowr
H322. achorannith
אֲחֹרַנִּית adverb (properly an adjective feminine, compare קְדֹרַנִּית Sta§ 367) backwards (= in poetry אָחוֺר Genesis 9:23 (twice in verse); 1 Samuel 4:18; 1 Kings 18:37; 2 Kings 20:10-11, Isaiah 38:8.