English
heterogameteheterogamete
From hetero- + gamete.
A compound of hetero- + gamete
Proto-Indo-European *sem- ‘one, whole’
Proto-Indo-European *sḿ̥teros
Proto-Hellenic *hə́teros
Ancient Greek ἕτερος ‘other, another, different’
English hetero-
Proto-Indo-European *ǵem- ‘to marry’
Ancient Greek γάμος ‘marriage’
Ancient Greek γαμετή ‘wife’
English gamete
Today it means
noun Either of a pair of conjugating gametes that differ in structure or behaviour, such as the spermatozoon and the ovum.
Language periods are conventional ranges, not dates for this word.
Etymograph / heterogamete
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