The story
- Ancient Greek · derived fromἄρβηλος
- English todayarbelos
From Ancient Greek ἄρβηλος (árbēlos) or ἄρβυλος (árbulos), literally "shoemaker's knife".
Etymology from Wiktionary, CC BY-SA 4.0.
arbelos
Today it means: A plane region bounded by a semicircle of diameter 1, connected to semicircles of diameters r and (1 − r), all oriented the same way and sharing a common baseline. Full definition →
Ancient Greek ἄρβηλος