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arch- also archi-, word-forming element meaning "chief, principal; extreme, ultra; early, primitive," from Latinized form of Greek arkh-, arkhi- "first, chief, primeval," combining form of arkhos "a chief, leader, commander," arkhein "be first, begin" (see archon).
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Related entries & more word-forming element meaning "a ruler," from Greek arkhos "leader, chief, ruler," from arkhē "beginning, origin, first place," verbal noun of arkhein "to be the first," hence "to begin" and "to rule" (see archon).
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archipelago (n.)c. 1500, from Italian arcipelago "the Aegean Sea" (13c.), from arci- "chief, principal," from Latin archi- (see arch-) + pelago "pool; gulf, abyss," from Medieval Latin pelagus "pool; gulf, abyss, sea," from Greek pelagos "sea, high sea, open sea, main" (see pelagic).
The elements of the word are Greek, but there is no record of arkhipelagos in ancient or Medieval Greek (the modern word in Greek is borrowed from Italian), so the word perhaps is an Italian compound or an alteration in Italian of Medieval Latin Egeopelagus, from Greek Aigaion pelagos "Aegean Sea." The Aegean being full of island chains, the meaning was extended in Italian to "any sea studded with islands" (a sense attested in English from c. 1600) and to the islands themselves. Related: Archipelagian; archipelagic.
Related entries & more The elements of the word are Greek, but there is no record of arkhipelagos in ancient or Medieval Greek (the modern word in Greek is borrowed from Italian), so the word perhaps is an Italian compound or an alteration in Italian of Medieval Latin Egeopelagus, from Greek Aigaion pelagos "Aegean Sea." The Aegean being full of island chains, the meaning was extended in Italian to "any sea studded with islands" (a sense attested in English from c. 1600) and to the islands themselves. Related: Archipelagian; archipelagic.
archivolt (n.)ornamental molding on the face of an arch, 1731, from Italian archivolto, from volta, volto "arch, vault" (see vault (n.1)).
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Related entries & more "perigee of the moon, perihelion of a planet" (plural apsides), 1650s, from Latin apsis "arch, vault" (see apse).
apse (n.)"semicircular extension at the end of a church," 1846, from Latin apsis "an arch, a vault," from Greek hapsis (Ionic apsis) "loop, arch," originally "a fastening, felloe of a wheel," from haptein "fasten together," which is of unknown origin. The original sense in Greek seems to have been the joining of the arcs to form a circle, especially in making a wheel. The architectural term is earlier attested in English in the Latin form (1706). Related: Apsidal.
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