Where does “aplacental” come from?

aplacental (English) comes from English placental, from Latin placentalis, from Latin placenta, from Ancient Greek πλακόεντα, from Ancient Greek πλακοῦς, from Ancient Greek πλακόεις, from Ancient Greek πλάξ, from Proto-Hellenic pləks — flat.

aplacental (English): Lacking a placenta; belonging to the Aplacentata

Definitions

  1. Lacking a placenta; belonging to the Aplacentata

Ancestry of “aplacental”, step by step

aplacental traces back through two separate lines of ancestry.

via English placental

StepLanguageWordMeaning
1EnglishplacentalOf or pertaining to the placenta, or to the...
2Latinplacentalisplacental
3Latinplacentaa round phyllo cake with a ribbed base and a...
4Ancient Greekπλακόεντα
5Ancient Greekπλακοῦςflat cake
6Ancient Greekπλακόειςflat
7Ancient Greekπλάξanything flat and broad
8Proto-Hellenicpləks
9Proto-Indo-Europeanpleh₂-flat

via English A

StepLanguageWordMeaning
1EnglishAThe ordinal number first, derived from this...
2EnglishANDAlternative form of ∧, the conjunction operator;...
3Middle Englishandand, and then; however, yet, but, though. while;...
4Old Englishandand; even; also
5Proto-Germanicandiin addition, furthermore, and
6Proto-Indo-Europeanh₂éntiopposite; near; in front
7Proto-Indo-Europeanh₂éntsforehead; front
8Proto-Indo-Europeanh₂ent-face; forehead; front
9Proto-Indo-Europeanh₂en-on, onto
Every word from Proto-Indo-European pleh₂-Every word from Proto-Hellenic pləksEvery word from Ancient Greek πλάξ