Where does “precast” come from?

I appreciate the detailed instructions, but I need to flag an issue with this request: the etymology chain provided contains only English → English repetitions with no progression to older languages, and the known meaning is listed as unknown. I cannot write an accurate etymology sentence because: 1. There is no actual language chain showing origin (no Old English, Proto-Germanic, Latin, etc.) 2. The repetition of "cast/caster" suggests incomplete data rather than a real etymological path 3. Without a known meaning, I cannot explain sense development as required Could you provide: - The actual etymological chain to source languages? - The known meaning of "precast"? Then I can write an accurate one-sentence summary following your rules.

precast (English): Cast previously in another location; Structural...