sistren means the (female) body of members, especially of a sorority or religious order. Lexicurio rates it Sui generis — a strength score of 89 out of 100.
Etymology
See the etymology of the corresponding lemma form. Analysable as sister + -en (plural ending).
noun
- The (female) body of members, especially of a sorority or religious order.“[…] teachers, parents, and above all his classmates the seething masses of dutiful zombies and sistren of the Evervirgin Sorority.”
- A close female friend, family member, or comrade.“Come out of the dark and come into the light, sistren.”