A primitive root; to braid, i.e. Intermix; technically, to traffic (as if by barter); also or give to be security (as a kind of exchange) -- engage, (inter-)meddle (with), mingle (self), mortgage, occupy, give pledges, be(-come, put in) surety, undertake.
II. עָרַב verb take on pledge, give in pledge, exchange (Late Hebrew go surety for (rare); Phoenician ערב surety; Old Aramaic ערבא pledge; עֲרַב ᵑ7, Syriac , go surety for; usually identified with I. ערב — mix, exchange, pledge — but quite uncertain; compare BuhlLex LagBN 203); —
Qal Perfect3masculine singular ׳ע Genesis 44:32 4t.; 2 masculine singular עָרַבְתָּ Proverbs 6:1; Imperfect1singular suffix אֶעֶרְבֶנּוּ Genesis 43:9; Imperative עֲרֹב Psalm 119:122, suffix עָרְבֵנִי Isaiah 38:14, so Job 17:3 (but see below); Infinitive construct לַעֲרֹב Ezekiel 27:9; Participle עֹרֵב Proverbs 17:18, etc.; —
1 with accusative of person taken on pledge, i.e. go surety for the safety of, Genesis 43:9 (J), 44:32 (J; + מֵעִם person); for the debts of Proverbs 11:15; 20:16; 27:13; of God Isaiah 38:14 go surety for me, Psalm 119:122, so Job 17:3 (si vera lectio, see עֵרָבוֺן); accusative of person omitted, ׳ע לְ Proverbs 6:1 go surety to one (in behalf of another, "" כַּמֶּ֑יךָ לַזָּר תָּקַע); with accusative of thing 22:26 ("" תֹּקְעֵיכָֿ֑ף).
2. a. have fellowship with, בְּ person, Perfect3plural הִתְעָֽרְבוּ Ezra 9:2; Imperfect3masculine plural וַיִּתְעָֽרְבוּ Psalm 106:35; 2masculine singular תִּתְעָרָ֑ב with לְ person Proverbs 20:19, with עִם person 24:21.
b. share in, בְּ of thing, 3 masculine singular יִתְעָרַב Proverbs 14:10 in his joy no other shares..