The story
- Latin · derived fromplacentalis
- English todayplacental
From post-classical Latin placentalis, corresponding to placenta + -al.
First known use, by meaning
- from 18th c. Of or pertaining to the placenta.
- from 19th c. Pertaining to the Placentalia, comprising of mammals that are not marsupials or monotremes.
Etymology from Wiktionary, CC BY-SA 4.0.