Late 19th century; earliest use found in Alfred Bennett (1833–1902), botanist and publisher. From French oogoneoogonium or its etymon scientific Latin oogoniumoogonium.
Definition of oogone in US English:
oogone
(also oögone)
nounˈəʊəɡəʊn
Biology rare
Oogonium.
Origin
Late 19th century; earliest use found in Alfred Bennett (1833–1902), botanist and publisher. From French oogone oogonium or its etymon scientific Latin oogonium oogonium.