BDB254 [H227]

1. strictly temporal:
\ \ a. of past time: — without a verb Gen 12:6; Gen 13:7; Josh 14:11; 2Sam 23:14 with a perfect Gen 4:26; Exod 4:26; Josh 10:33; Judg 8:3; Judg 13:21; Jer 22:15 אָז טוֺב לוֺ then was it well to him (compare vJer 22:16; Hos 2:9); more usually (especially when = thereupon) with an imperfect (see Dr^{§ 27}) Exod 15:1; Num 21:17; Josh 8:30; Josh 10:12; Josh 22:1; 1Kgs 3:16; 1Kgs 8:1; 1Kgs 9:11 (see Dr^Intr.192) and elsewhere.
\ \ b. of future time (usually where some emphasis is intended), with imperfect Isa 35:5; Isa 35:6; Isa 60:5; Mic 3:4, rather differently Lev 26:41; 1Sam 20:12 rarely with perfect 2Sam 5:24b (will have gone forth) Isa 33:23: with an accompanying logical force, implying the fulfilment of a condition, then = if or when this has been done (with the imperfect) Gen 24:41; Exod 12:44; Exod 12:48; Deut 29:19; Josh 1:8; 1Sam 6:3; Isa 58:8; Isa 58:9; Jer 11:15 Hi Ke Ps 19:14; Ps 51:21; Prov 3:23; Job 11:15; Job 13:20; Job 22:26.
\ \ c. in poetry אז is sometimes used to throw emphasis on a particular feature of the description Gen 49:4; Exod 15:15; Judg 5:8; Judg 5:11; Judg 5:13; Judg 5:19; Judg 5:22; Isa 33:23; Isa 41:1; Hab 1:11; Ps 2:5; Ps 96:12.
\ \ d. it points back with emphasis to an infinitive with בּ 2Sam 5:24 a Ps 126:2 (twice in verse); Job 28:27; Job 33:16 to בַּיּוֺם הַהוּא (anomalously) 1Chr 16:7.

2. expressing logical sequence strictlyd: in the apodosis: — after אם (rare) for sake of special emphasis Isa 58:14; Prov 2:5; Job 9:31 = in that case, after לוּ or לוּלֵא 2Sam 2:27 hadst thou not spoken, כִּי אָז surely then had the people, etc. 2Sam 19:7; Ps 119:92 after אחלי 2Kgs 5:3; Ps 119:6 after a suppressed protasis 2Kgs 13:19; Job 3:13 יָשַׁנְתִּי אָז יָנוּחַ לִי I had slept, then were there rest for me; Josh 22:31 (strangely) = now, as things are; Eccl 2:15 = that being so. (122 t., besides מאז and מןאֿז. Seldom used except where some special emphasis is de-sired. 'Then' of AV RV more commonly repre-sents וְ, especially in the apodosis.)