Strong's G1661 · Greek

ἐλεφάντινος

elephantinos · el-ef-an'-tee-nos

from elephas (an "elephant"); elephantine, i.e. (by implication) composed of ivory

Scholarly Lexicons

Abbott-Smith Manual Greek Lexicon

 1 ἐλεφάντινος , -η, -ον ( ἐλέφας , ivory ), [in LXX for שֵׁן ;] of ivory : Re 18:12 .† 

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