Karyogamy
/ˌkær.iˈɒɡ.ə.mi/noun
The fusion of two cell nuclei, especially during sexual reproduction.
Did you know?The term combines Greek words for “kernel” or “nucleus” and “marriage,” turning a microscopic nuclear fusion into a literal biological wedding.
Etymological Timeline
Proto-Indo-European
PIE
*ker-
“A reconstructed root associated with the head, top, or horn; it contributed to Greek terms for a kernel or inner core.”
Ancient Greek
Greek
κάρυον (kā́ryon)
“Nut or kernel; later used in scientific compounds for a cell nucleus.”
Ancient Greek
Greek
γάμος (gámos)
“Marriage or wedding; the source of scientific compounds referring to sexual union.”
19th Century
Scientific Greek/New Latin
karyogamia
“Nuclear fusion or union, formed from karyon, “nucleus,” and gamos, “marriage.””
Modern English
English
karyogamy
“The fusion of two nuclei, usually following the union of reproductive cells.”