adjective/semiθiɾkuˈlaɾ/
semicircular
Etymology tree Proto-Indo-European *sem- Proto-Indo-European *sēmi Latin sēmi- Proto-Indo-European *(s)ker-der. Ancient Greek κίρκος (kírkos)bor. Latin circus Proto-Indo-European *-lós Proto-Indo-European *-elós Proto-Italic *-elos Latin -ulus Latin circulus Latin sēmicirculuslbor. Spanish semicírculo Spanish -ar Spanish semicircular From semicírculo + -ar.