Lexical Definition

‎θύϊνος‎ thýïnos (thoo'-ee-nos) citron ^G:A
from a derivative of ‎θύω‎ (in the sense of blowing

thyine.

• denoting a certain fragrant tree)
• made of citron-wood

Abbott-Smith

**† θύινος (usually θύϊνος, as Rec.), -η, -ον (< θυία, θύα, an African aromatic tree, with ornamentally veined wood of varying colour, = Lat. citrinus), [in Sm.: III Ki 10:11 (אַלְמֻגִּים)*;]
thyine: ξύλον, Re 18:12 (Diosc.).†

Abbott-Smith References

Liddell-Scott-Jones

θύϊνος [ῠ], η, ον,

of the tree θύον (which see), δένδρα, ξύλον, [Refs 1st c.BC+]; made of this wood, [NT+3rd c.BC+]

_{LSJ Scripture Refs: Rev.18.12}