πορφύρειος
From LSJ
οὐ λήψει τὸ ὄνομα Κυρίου τοῦ Θεοῦ σου ἐπὶ ματαίω → thou shalt not take the name of the Lord thy God in vain
English (LSJ)
ον, = πορφύρεος (darkgleaming, dark, russet, bright, lustrous, glittering, dark red, purple, crimson), ἐσθής Suid.
Greek (Liddell-Scott)
πορφύρειος: -α, -ον, = τῷ ἑπομ., Σουΐδ.· πρβλ. πορφυραῖος.