endometrium
/ˌɛndəˈmiːtɹi.əm/
Word Rarity
Very rare
Frequency: 2.14 in modern English
16
Scrabble Score
11
Letters
3
Syllables
9
Unique Chars
Meaning
noun
The mucous membrane that lines the uterus in mammals and in which fertilized eggs are implanted.
Etymology
From endo- (“inner”) + Late Latin metrium (“womb”), from Ancient Greek μήτριον (mḗtrion, “of a mother”). Compare μήτρᾱ (mḗtrā, “womb”).