Parallel
Exodus 26:14
Swete's Septuagint · Berean Standard Bible
κάλυμμα τῇ σκηνῇ δέρματα κριῶν ἠρυθροδανωμένα, τὰ δέρματα ὑακίνθινα ἐπάνωθεν.
Also make a covering for the tent out of ram skins dyed red, and over that a covering of fine leather (note: Possibly the hides of large aquatic mammals).