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.114.3 • Ps.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.19.10 • Ezek.2.10
וְ֝אָח֗וֹר and backwards Job.23.8
בְּאָח֥וֹר in backwards Prov.29.11
אָחוֹר֙ backwards Isa.28.13 • Isa.42.17 • Isa.59.14
אָחוֹר֒ backwards Jer.46.5
אָחֽוֹר back part Isa.1.4
backward Lam.1.8
backwards Gen.49.17 • Jer.38.22
אָח֣וֹר back part Ps.139.5
backwards Ps.35.4 • Ps.44.18 • Jer.15.6
אָח֛וֹר backward Lam.2.3
אָח֖וֹר backwards Isa.44.25 • Isa.50.5
אָח֔וֹר backward Lam.1.13
אָח֑וֹר backward Ps.129.5
backwards 2Sam.1.22 • Ps.9.3 • Ps.78.66
אָ֭חוֹר backwards Ps.40.14 • Ps.44.10 • Ps.56.9 • Ps.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