Strong's Greek #2463 - ἶρις, ιδος, ἡ iris (a rainbow)

rainbow.

Perhaps from ereo (as a symbol of the female messenger of the pagan deities); a rainbow ("iris") -- rainbow.

see GREEK ereo

Strong's 2463: ἶρις

ἶρις, ἰριδος, ἡ (Iris), a rainbow: Revelation 4:3; Revelation 10:1. (Homer, Aristotle, Theophrastus, others).

Strong's Greek: 2463. ἶρις (iris) — 2 Occurrences

Revelation 4:3 - N-NFS
GRK: σαρδίῳ καὶ ἶρις κυκλόθεν τοῦ
NAS: in appearance; and [there was] a rainbow around
KJV: and [there was] a rainbow round about
INT: a sardius and a rainbow [was] around the

Revelation 10:1 - N-NFS
GRK: καὶ ἡ ἶρις ἐπὶ τῆς
NAS: with a cloud; and the rainbow was upon his head,
KJV: and a rainbow [was] upon
INT: and a rainbow on the