NET

23 John said, “I am the voice of one shouting in the wilderness, ‘Make straight the way for the Lord,’ as the prophet Isaiah said.”

Darby

23 He said, I [am] [the] voice of one crying in the wilderness, Make straight the path of [the] Lord^D7454, as said Esaias the prophet^D7455.

Darby Bible Notes

Lord - 'Lord' has no article here, which is irregular in Greek, but I do not doubt it is in place of the name 'Jehovah,' as in other Gospels. prophet - Isa. 40.3.

KJV

23 He said, I [am] the voice of one crying in the wilderness, Make straight the way of the Lord, as said the prophet Esaias.

Strong's

23 He said^G5346, I^G1473 am the voice^G5456 of one crying^G994 in^G1722 the wilderness^G2048, Make straight^G2116 the way^G3598 of the Lord^G2962, as^G2531 said^G2036 the prophet^G4396 Esaias^G2268.