English word ootaxon comes from English taxon, English oo- (Relating to eggs or ova.)

Detailed word origin of ootaxon

Dictionary entry	Language	Definition
taxon	English (eng)	(taxonomy) Any of the taxonomic categories, such as phylum or subspecies.
oo-	English (eng)	Relating to eggs or ova.
ootaxon	English (eng)	(taxonomy) Any taxonomic classification of egg fossils.

Words with the same origin as ootaxon