Lexical Definition

‎אָחוֹר‎ ʼâchôwr (aw-khore') back H:N-M
or (shortened) אָחֹר ʼâchôr (awkhore') ; from ‎אֲחִירַע‎

after(-ward), back (part, -side, -ward), hereafter, (be-) hind(-er part), time to come, without.

1) the back side, the rear
1a) backwards
1b) hereafter (of time)
1c) behind

See Greek: δυσμή · ἔμπροσθεν · ἐπέρχομαι · ἕτερος · ἥλιος · κενός · ὄπισθεν · ὀπίσω

Usage: 23 forms in 41 verses
Form Translated As     In Verse(s)
מֵֽאָח֔וֹר from west Isa.9.12
לְאָחֽוֹר to afterwards Isa.42.23
to backwards Ps.114.3Ps.114.5
לְאָח֖וֹר backwards Jer.7.24
לְאָח֔וֹר to afterwards Isa.41.23
וּמֵֽאָח֑וֹר and from behind 2Sam.10.9
וְאָח֔וֹר and behind 2Chr.13.14
וְאָח֑וֹר and back 1Chr.19.10Ezek.2.10
וְ֝אָח֗וֹר and backwards Job.23.8
בְּאָח֥וֹר in backwards Prov.29.11
אָחוֹר֙ backwards Isa.28.13Isa.42.17Isa.59.14
אָחוֹר֒ backwards Jer.46.5
אָחֽוֹר back part Isa.1.4
backward Lam.1.8
backwards Gen.49.17Jer.38.22
אָח֣וֹר back part Ps.139.5
backwards Ps.35.4Ps.44.18Jer.15.6
אָח֛וֹר backward Lam.2.3
אָח֖וֹר backwards Isa.44.25Isa.50.5
אָח֔וֹר backward Lam.1.13
אָח֑וֹר backward Ps.129.5
backwards 2Sam.1.22Ps.9.3Ps.78.66
אָ֭חוֹר backwards Ps.40.14Ps.44.10Ps.56.9Ps.70.2
אֲחֹרָ֑י back parts my Exod.33.23
אֲחֹרֵיהֶ֖ם hindquarters their 2Chr.4.4
אֲחֹרֵ֥י rear of Exod.26.12
אֲחֹֽרֵיהֶ֖ם hindquarters their 1Kgs.7.25
אֲחֹ֨רֵיהֶ֜ם backs their Ezek.8.16

Brown-Driver-Briggs

‎אָחוֺר‎41 substantive (Arabic ) the hinder side, back part, in the singular, mostly in adverbial phrases: —
a. as accusative, in poetry backwards 23 t. ( = prose ‎אֲחֹרַנִּית‎) with verbs such as ‎נָפַל‎ fall Gen 49:17, ‎נָשׂוֺג‎ be turned 2Sam 1:22 (|| ‎תָּשׁוּב‎ ‎רֵיקָם‎), ‎שׁוּב‎ Ps 9:4*; Ps 56:10* +, ‎נָסוֺג‎ Ps 35:4; Ps 40:15* + (of enemies repulsed), Ps 44:19*; Isa 50:5 (from obedience to God), ‎נָזוֺר‎ Isa 1:4, ‎הֵשׁיב‎ Isa 44:25; Ps 44:11*, ‎הִכָּה‎ Ps 78:66 behind (opposed to ‎קֶדֶם‎) Ps 139:5; Job 23:8 in the phrase ‎פָּנִים‎ ‎וְאָחוֺר‎ in front and behind 1Chr 19:10 (altered from ‎׳‎‎וּמֵאָ‎ ‎׳‎‎מִפָּ‎ in 2 Samuel see below) 2Chr 13:14; Ezek 2:10.
b. ‎בְּאָחוֺר‎ Prov 29:11, ‎וְחָכָם בְּאָחוֺר יְשַׁבְּחֶנָּה‎ Ges Hi but a wise man stilleth it (‎רוּחַ‎ anger) backwards (that is, when it would break forth), De in the background, that is, of his heart (|| ‎כָּלרֿוּחוֺ יוֺצִיא‎ ‎כְסִיל‎).
c. ‎לְאָחוֺר‎ (α) as
a. Ps 114:3; Ps 114:5; Jer 7:24 (β) of time, hereafter (compare ‎לְפָנִים‎ = before) Isa 41:23; Isa 42:23.
d. ‎מֵאָחוֺר‎ behind (‎מן‎ = on the side of) 2Sam 10:9 ‎׳‎‎מִפָּנִים וּמֵ‎ in front and behind, Isa 9:11* ‎׳‎‎וּפְלִשְׁתִּים מֵאָ‎ and the Philistines behind (= on the West), opposed to ‎אֲרָם מִקֶּדֶם‎. Plur. construct ‎אֲחֹרֵי‎ hinder part (of the tabernacle) Exod 26:12, (of a man or animal Exod 33:23; 1Kgs 7:25 (= 2Chr 4:4) Ezek 8:16.

Brown-Driver-Briggs References

Book Refs
Genesis 49:17
Exodus 26:12 · 33:23
2 Samuel 1:22 · 10:9
1 Kings 7:25
1 Chronicles 19:10
2 Chronicles 4:4 · 13:14
Job 23:8
Psalms 9:4* · 35:4 · 40:15* · 44:11* · 44:19* · 56:10* · 78:66 · 114:3 · 114:5 · 139:5
Proverbs 29:11
Isaiah 1:4 · 9:11* · 41:23 · 42:23 · 44:25 · 50:5
Jeremiah 7:24
Ezekiel 2:10 · 8:16