Reference: Esaias

the Greek form for Isaiah, constantly used in the Authorized Version of the New Testament (Mt 3:3; 4:14), but in the Revised Version always "Isaiah."

The familiar AV spelling of Isaiah in Apocr and NT; it is retained by RV only in 2Es 2:18.

Greek form of ISAIAH in the N.T.

Esa'ias,

the Greek form of Isaiah. [ISAIAH]

See Isaiah