Footnote
f A Greek and English Lexicon to the New Testament, by J. Parkhurst, revised ed. of 1845, says on p. 347, under ΚΥ΄ΡΙΟΣ: “III. In LXX it answers to the several names or titles of God, שדי ,צור ,אלהיס ,אלוה ,אל ,אדני, but far most frequently to יהוה: . . . In the N. T., likewise Κύριος, when used as a name of God, though it sometimes answers to אדני, . . . yet it most usually corresponds to יהוה Jehovah, and in this sense is applied.”
A Greek-English Lexicon of the New Testament, by J. H. Thayer, 1889 ed., p. 365, says under κύριος: “c. this title is given a. to GOD, the ruler of the universe (so the Sept. for יהוה ,אלהיס ,אלוה ,אדני and יה [’adho·naiʹ, ’elohʹah, ’elo·himʹ, Jehovah, and Jah]).” On p. 287 it says, under θεός: “Sept. for אלהיס ,אל and יהוה [’el, ’elo·himʹ, and Jehovah].”
Says A Greek-English Lexicon, by Liddell and Scott, 1968 ed., on p. 1013, under κύριος: “B. . . . 4. ὁ Κύριος,=Hebr. Yahweh, LXX Ge.II.5, al.”