The chief or principal engineer of a project; someone who designs and oversees major engineering works.
From 'archi-' (chief, first) and 'engineer,' combining the Greek prefix meaning 'principal' with the French-derived word for a technical designer.
This word would describe engineers like Gustave Eiffel, who didn't just work on projects but envisioned massive structures from first principles—the 'archi-' prefix marks them as visionary chief designers.
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