לָחַם II (b. h.; v. preced.) to join.
    Nif. - נִלְחָם (cmp. use of זָוַג Nithpa.) to come in (hostile) contact, to battle; with ל of person, to assist, battle for. Mekh. B’shall. 2 (ref. to Ex. XIV, 14) לא … יִלָּחֵם לכם אלא לעולם ילחם כנגדן וכ׳ not only this time will he assist you, but he will always battle against your enemies. Tanḥ. Masé 6 כשהלך להִלָּחֵם בישראל when he (Sisera) went to war against &c. Ib. Vayera 7 (ref. בלחומו, Job XX, 23) על המלחמות שהיו נִלְחָמִים עם וכ׳ for the battles which they fought against the Lord; a. fr.
    Hithpa. - הִתְלַחֵם to contest, dispute. Y. M. Kat. III, 81ᵈ top אם חברים מִתְלַחֲמִים וכ׳ if scholars are at variance with one another, what concern is it to you? (B. Mets. 59ᵇ מנצחים זה את זה וכ׳).