Feminine passive participle from 'achaz; something seized, i.e. A possession (especially of land) -- possession.
see HEBREW 'achaz
H272. achuzzah
אֲחֻזָּה66 noun feminine possession — ׳א Genesis 47:11 11t.; construct אֲחֻזַּת 17:8 21t.; suffix אֲחֻזָּתְךָ Psalm 2:8; — possession, P & late; of landed property Genesis 47:11; Leviticus 14:34; 25:10, 13, 25, 27, 28, 33 (houses); 25:41; 25:45; Leviticus 21:46; Numbers 27:4; 32:5, 22, 29; 35:8; Deuteronomy 32:49; Joshua 21:12, 39; Ezekiel 44:28; 45:5-6, 7 (twice in verse); 45:8; 46:18 (3 t. in verse); 48:20-21, 22 (twice in verse); 1 Chronicles 7:28; 9:2; 2 Chronicles 11:14; 31:1; Nehemiah 11:3; with ׳א אֲחֻזָּה אֶרֶץ, = land possessed, one's own land Genesis 36:43; Leviticus 14:34; 25:24; Numbers 35:28; Joshua 22:4, 9, 19 (twice in verse), compare הָאָרֶץ אֲחֻזַּת Leviticus 27:24; with ׳שׂ אֲחֻזָּה שָׂדֶה, 27:16, 22, 28, compare 27:21; with ׳ע אֲתֻּזָּה עִיר, 25:32-33, נַחֲלָה אֲחֻזַּת = possession by right of inheritance Numbers 27:7; 32:32, & א ׳נַחֲלַת 35:2 compare ׳א בְּנַחֲלָה Ezekiel 46:16 (but Co as Numbers 27:7 so B); קֶבֶר אֲחֻזַּת Genesis 23:4, 9, 20; 49:30; 50:13; ׳א עוֺלם 17:8; 48:4; Leviticus 25:34; in promise to Davidic king אַסְפֵיאָֿרֶץ וַאֲחֻזָּתְךָ Psalm 2:8 ("" נַחֲלָה); figurative of ׳י as portion of Levitical priests Ezekiel 44:28 ("" נַחֲלָה).