Lexical Definition

‎נֶצַח‎ netsach (neh'-tsakh) perpetuity ^H:N-M
or נֵצַח nêtsach (nay'-tsakh); from ‎נָצַח‎

alway(-s), constantly, end, ([phrase] n-) ever(more), perpetual, strength, victory.

• properly, a goal, i.e. the bright object at adistance travelled towards
• hence (figuratively), splendor, or (subjectively) truthfulness, or (objectively) confidence
• but usually (adverbially), continually (i.e. to the most distant point of view)

1) eminence, perpetuity, strength, victory, enduring, everlastingness
1a) eminence
1b) enduring of life
1c) endurance in time, perpetual, continual, unto the end
1d) everlastingness, ever

See Greek: αἷμα · αἰών · νίκη · νῖκος · τέλος

Brown-Driver-Briggs

I. ‎נֵ֫צַח‎ noun masculine^{Lam 3:18} eminence, enduring, everlastingness, perpetuity (‎לנצח‎ Eccl 40:14 as 4 below); — ‎נֵ֫צַח‎ 1Sam 15:29 + 3 t.; ‎נֶ֫צַח‎ Amos 1:11 + 36 t.; suffix ‎נִצְחִי‎ Lam 3:18 plural ‎נְצָחִים‎ 34:10; —

1. eminence: ‎נצח ישׂראל‎ the Eminence of Israel (‎׳‎‎י‎) 1Sam 15:29 (Dr^{Sam. 98} glory of Israel); attribute of God 1Chr 29:11 (|| ‎הוד‎, ‎תפארת‎ et al.).

2. enduring of life, and so life itself as enduring: ‎אָבַד נִצְחִי‎ Lam 3:18 my endurance doth vanish (De sap of life, see II. ‎׳‎‎נ‎).

3. endurance in time: ‎׳‎‎משׁאות נ‎ Ps 74:3 perpetual desolations; ‎יְדַבֵּר‎ ‎׳‎‎לנ‎ Prov 21:28 speaketh continually (?; see Toy); ‎׳‎‎עדנֿ‎ Ps 49:20* unto the end (a long duration), so Job 34:36.

4. everlastingness, ever, usually ‎לָנֶצַח‎ for ever, 2Sam 2:26; Isa 13:20; Isa 25:8; Isa 28:28; Isa 33:20; Isa 57:16; Jer 3:5; Jer 50:39; Amos 8:7; Hab 1:4; Ps 9:7*; Ps 9:19*; Ps 10:11; Ps 44:24*; Ps 49:10*; Ps 52:7*; Ps 68:17*; Ps 74:1; Ps 74:10; Ps 74:19; Ps 77:9*; Ps 79:5; Ps 89:47*; Ps 103:9; Job 4:20; Job 14:20; Job 20:7; Job 23:7; Job 36:7; Lam 5:20 ‎לנצח נצחים‎ (compare ‎עולם עולמים‎) Isa 34:10 seldom abbreviated ‎נֶצַח‎ Amos 1:11 (‎׳‎‎לָנ‎ ᵐ5 We Now GASm), Jer 15:18; Ps 13:2*; Ps 16:11.

Brown-Driver-Briggs References