戮りくす

suru verb (precursor), transitive verb

kill; murder; execute

Archaic transitive verb, precursor to modern する. Used in classical Japanese for putting someone to death, often with a sense of punishment or execution. Not used in modern speech.

• 古いにしえの書しょには「罪ざい人にんを戮りくす」と記しるされている。

  In ancient writings, it is recorded as 'to execute a criminal'.