TT #242 · Parashas Shoftim · Sixth Aliyah · Passuk 19:16
If a malicious witness rises up against a man to testify against him of rebellion.
Torah Temimah points to Sifrei Devarim 189 / Makkos.
TT lemma: עֵד חָמָס.
Sefaria — Sifrei Devarim 189 / Makkos
English: ‘A malicious witness’ – this is a conspiring (zomem) witness.
Derash identifying the malicious witness (Sifrei / Bavli) — the term is the source for the zomemim procedure.
A malicious witness who testifies falsely is subject to the law of conspiring witnesses (edim zomemim).