sorōricīda ae, m
soror+2 SAC-, a sisterslayer, murderer of a sister .
sŏrōrĭ-cīda, ae, m. [soror-caedo], the murderer of his sister , Cic. Dom. 10, 26. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.