Meaning

noun a curved shape in the vertical plane that spans an opening

noun a curved bony structure supporting or enclosing organs (especially the inner sides of the feet)

noun a passageway under a curved masonry construction

originEtymology tree Ancient Greek ἄρχω (árkhō) Ancient Greek ἀρχι- (arkhi-) Proto-Indo-European *teḱ- Proto-Indo-European *tetḱ- Proto-Indo-European *-ō Proto-Indo-European *tétḱō Proto-Hellenic *téktōn Ancient Greek τέκτων (téktōn) Ancient Greek ἀρχιτέκτων (arkhitéktōn)bor. Latin architectus Proto-Indo-European *-tew-? Proto-Indo-European *-r-eh₂? Latin -tūra Latin architectūralbor. French…

Etymology from Wiktionary, CC BY-SA 3.0