From lacham (in the sense of fighting); a battle (i.e. The engagement); generally, war (i.e. Warfare) -- battle, fight(-ing), war((-rior)).
see HEBREW lacham
H4421. milchamah
מִלְחָמָה819 noun feminine battle, war; — absolute ׳מ Genesis 14:2, 8; Exodus 1:10 +; construct מִלְהֶ֫מֶת 1 Samuel 13:22 (ᵐ5 ׳מ מִכְמָשׁ Th We Bu HPS Ew§ 188 c Köii. 182 > absolute Thes and others); suffix מִלְחַמְתִּי2 Chronicles 35:21; מִלְחַמְתְּךָ 2 Samuel 11:25; מִלְחַמְתֶּ֑ךָ Isaiah 41:12, etc.; plural מִלְחָמוֺת 42:13 7t. Chronicles, Psalms; construct מִלְחֲמוֺת Judges 3:1 +, etc.; — battle, Genesis 14:8; 1 Samuel 17:1-2, 8; 31:3; 1 Kings 20:14, 18, 29, 39 + often; war, Genesis 14:2; Exodus 1:10; Deuteronomy 20:12; Joshua 11:23; 14:15; 2 Samuel 3:1 (הַמִּלְחָמָה וַתְּהִי אֲרֻכָּה) +; כְּנָ֑עַן מִלְחֲמוֺת Judges 3:1; י מִלְחֲמֹת ׳סֵפֶד Numbers 21:14 (JE); accusative of congnate meaning with verb with נלחם 1 Samuel 8:20; 2 Chronicles 32:8 and (י ׳מִלְחֲמוֺת) 1 Samuel 18:17; 25:28; = art of war, מ ׳למד Isaiah 2:4 learn war = Micah 4:3; מ ׳למּד Judges 3:2 teach war, fighting; לַמּ יָדַי ׳מְלַמֵּד 2 Samuel 22:35 = Psalm 18:35, compare 144:1; מ ׳לְמוּדֵי 1 Chronicles 5:18, מ ׳מְלֻמְּדֵי Song of Solomon 3:8 instructed in war; once = battlefield הַמּ ׳עַד וַיָּבֹאוּ 1 Samuel 14:20 (so KitKauAT). The most frequent phrases are: מ ׳אִישׁ Isaiah 3:2; 1 Samuel 16:18; 17:33; 2 Samuel 17:8; Ezekiel 39:20; Joshua 17:1 (P), also (collective) Judges 20:17, of ׳י Exodus 15:3 (poem); הַמּ ׳אַנְשֵׁי Joshua 6:3; 10:24 (both J E), Deuteronomy 2:14, 16; Joshua 5:4, 6 (all D), Jeremiah 38:4; 39:4; 41:3, 16; 49:26; 51:32; 52:7, 25, also 1 Kings 9:22; 2 Kings 25:4; Numbers 31:28, 49 (P), Joel 4:9; late מ ׳אַנְשֵׁי Joel 2:7; 1 Chronicles 12:39 (38 van d. H) 2 Chronicles 8:9; 17:13; מִלְחָמוֺת אִישׁ Isaiah 42:13; 1 Chronicles 28:3; מִלְחַמְתָּהּ אַנְשֵׁי Jeremiah 50:30 her men of war, compare Isaiah 41:12; Ezekiel 27:10, 27; תֹּעִי מִלְחֲמוּת אִישׁ 2 Samuel 8:10 a man of battles of Toi, i.e. his frequent opponent (see Dr), = 1 Chronicles 18:10; seldom מ ׳גִּבּוֺר Psalm 24:8 (f ׳י), מ ׳גִּבּוֺרֵי2 Chronicles 13:3; מִלְחָמוֺת שָׂרֵי32:6; הַמּ ׳עַם Joshua 8:1, 3; 10:7; 11:7, compare 8:11 (all J E), compare also 1 Samuel 13:16 add. ᵐ5 We Dr, compare Klo; לַמּ חַיִל ׳אַנְשֵׁי Jeremiah 48:14; מ ׳צְבָא battle-host Isaiah 13:4, so ׳צ ׳הַמּ Numbers 31:14 (P); also מ צְבָא ׳גְּדוּדֵי 1 Chronicles 7:4, צ ׳יֹצְאֵי ׳לַמּ 7:11 לַמּ צָבָא ׳אַנְשֵׁי 12:9 (8 van d. H) ; weapons of war, (ה)מ ׳כְּלֵי Judges 18:11, 17; Jeremiah 21:4; 51:20; 1 Chronicles 12:34 (33 van d. H), also figurative 2 Samuel 1:27 ׅ "" (גִבּוֺרִים; מ צְבָא ׳כְּלֵי 1 Chronicles 12:38 (37 van d. H); מ ׳קֶשֶׁת Zechariah 9:10; 10:4; מִלְחַמְתּוֺ כְּלֵי his weapons of war 1 Samuel 8:12; Deuteronomy 1:41, compare Judges 18:16; Ezekiel 32:37; הַמּ ׳דִּבְרֵי = the news of the battle 2 Samuel 11:18-19, + 11:22 add. ᵐ5 The We Klo Dr Bu. Frequently combined with verbs are: מ ׳עָרַךְ draw up battle-line Judges 20:22 +, followed by אֵת with = against Genesis 14:8; Judges 20:20, followed by עִם2 Chronicles 13:3; המּ ׳אסר i. e. begin the battle 1 Kings 20:14, compare 2 Chronicles 13:3; הַמּ ׳וַתִּקְרַב 1 Kings 20:29 and the battle was joined; מ ׳עָשָׂה make war Proverbs 20:8; 24:6; 1 Chronicles 22:8, followed by אֵת with Genesis 14:2; Joshua 11:18 (D), followed by עִם Deuteronomy 20:12, 20; 1 Chronicles 5:10, 19; לַמּ ׳יָצָא עִם Judges 20:14, 20, 28, with עַל 1 Kings 8:44; 2 Chronicles 6:34; לַמּ ׳הָלַךְ עִם 2 Kings 8:28; לַמּ ׳נגשׁ עַם Judges 20:23, with בְּ 1 Samuel 7:10; 2 Samuel 10:3, absolute Jeremiah 46:3; הַמּ ׳וַתְּהִי עִם 2 Samuel 21:18-19, with בֵּין 3:1, compare 3:6 +; מ ׳קִדַּשׁ consecrate war, i.e. open a campaign (with sacred rites, Che) Micah 3:5; Jeremiah 6:4 (both withעל), Joel 4:9; compare וְהַמּ ׳הִדְבִּיקָתְהוּ Judges 20:42 and the battle clung to them; הַמּ ׳וַתַּעֲלֶה Judg 22:35 and the battle rose (high) = 2 Chronicles 18:34; הַמּ ׳וַתִּטּשׁ 1 Samuel 4:2, read הַמּ ׳וַתֵּט (ᵐ5 We Klo Bu, compare Dr) and the battle inclined (in favour of one side); הַמּ ׳נָפוֺצֶת 2 Samuel 18:8 Qr the battle was spread (extended), so read 1 Samuel 14:24 add. ᵐ5 The We Klo Dr; מ עָלַי ׳תָּקוּם Psalm 27:3 if war rise against me; ׳הַמּ כָּבֵ֑דָה Judges 20:34 the battle was severe, compare הַמּ ׳וַתִּכְבַּד אֶלשָֿׁאוּל 1 Samuel 31:3 = 1 Chronicles 10:3 (על for אל); so הַמּ ׳וַתְּהִי חֲזָקָה 1 Samuel 14:52, ׳הַמּ מִמֶּנּוּ חָזַק 2 Kings 3:26; הַמּ ׳וַתְּהִי קָשָׁה 2 Samuel 2:17: compare מ ׳כֹּבֶד Isaiah 21:15, מ ׳עֱזוּז 42:25.