Strong's G4552 · Greek

σάπφειρος σάπφιρος

sappheiros · sap'-fi-ros

of Hebrew origin (5601); a "sapphire" or lapis-lazuli gem

Scholarly Lexicons

Abbott-Smith Manual Greek Lexicon

 1 † σάπφειρος , -ου, ἡ [in LXX for סַפִּיר ;] sapphire (perh. = lapis lazuli ): Re 21:19 .† 

G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain