אֹדֶם (ʼôdemo'-demnoun|femininecarnelian)
[Heb] אֹדֶם ETCBC: אֹדֶם‎ (subs|ruby) OSHL: a.bd.ad TWOT: 26c GK: H138 Greek: σάρδιος
Derivation: from אָדַם;
Strong's: redness, i.e. the ruby, garnet, or some other red gem
KJV: sardius.