archallaxis

noun

ar·​chal·​lax·​is

ˌärkəˈlaksə̇s

plural archallaxes

-kˌsēz

biology

: the early deviation from an ancestral developmental pattern eliminating recapitulation

Word History

Etymology

New Latin, from archi- + Greek allaxis exchange, barter, from allassein to exchange, from allos other

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