The Bible indicates in several places that the universe has been “stretched out” or expanded. For example, Isaiah 40:22 teaches that God “stretches out the heavens like a curtain, and spreads them out like a tent to dwell in.”
Well instead of stretching (sorry) the English meaning lets look at the Hebrew:
Several usages,
• Stretch or extend one’s hand:
o To stretch out or extend one’s hand, i.e. literally (Ex 8:5, 16) o To extend or show mercy or peace to someone (Gen 39:21; Is 66:12) o With an outstretched hand indicating power (Ex 6:6) o To stretch out one’s hand against someone (to fight against them) (Job 15:25)
• To pervert justice (Ex 23:2, 6) – related to extending favour to one party over another
• Incline:
o To incline one’s heart to follow someone (Josh 24:23; Judges 9:3) o To incline one’s ear to hear (2 Ki 19:16)
• Turn:
o To turn aside, away or to (someone, something or some place) (Gen 38:16) o To turn in or stay with someone at their place (Gen 38:1) – related to stretching out or spreading out one’s stuff in order to lay down for the night?
• Stretch out, spread out or extend:
o To stretch out or lay down upon something (Amos 2:8) o To stretch or extend a line (as for measuring ) (Job 38:5) o A shadow which goes down, lengthens or stretches out (like at the end of the day)(2 Ki 20:10, Ps 102:11) o Geographical features (e.g. hills or rivers) which extend or stretch out (Num 21:15) o To pitch or set up a tent (Gen 12:8; royal pavilion Jer 43:10) o To stretch out curtains (Is 54:2) o To stretch out the heavens (e.g. like a curtain) (Ps 104:2; Is 40:22) o The firmament spread out (Ezek 1:22) – see the note below.
• Bow or bend:
o To bow or bend or bend down, i.e. literally (Gen 49:15; Hos 11:4) o To bow or bend the heavens (for God to come down) (2 Sam 22:10) o To lean over or bow, as in a wall about to topple over (Ps 62:3)
• Other less frequent usages in the Old Testament:
o To let down or lower a pitcher into a well (Gen 24:14) o To offer or give some options (1 Chr 21:10) o To intend or plot (evil) against (Ps 21:11)
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None of the other verses or usages imply a stretching or lengthening, like dough being rolled out or metal being beaten. The closest is the shadow which lengthens. In most situations it is just a spreading out of something folded up or rolled up (e.g. measuring line/tape measure, or curtain), bending (e.g. arm) or turning.
or, go with me on this, maybe a TENT being unfolded and erected like the cloth that would be found in a curtain?
Of course you have to look at the other side of the coin, is there any Hebrew word that means to stretch in an a elastic deforming way?
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Yup ... Hebrew רָקַע (raqa` ), as in Isa 40:19 The workman melteth a graven image, and the goldsmith *spreadeth it over with gold, and casteth silver chains., or Exo 39:3 And they did *beat the gold into thin plates, and cut it into wires, to work it in the blue, and in the purple, and in the scarlet, and in the fine linen, with cunning work.
So, an English word which can mean the same thing as another word in English and abused it to fit whilst ignoring the original meaning
Sometimes, a tent ( even as a metaphor) is just a tent.