[Al Hitan]

I found this helpful:

I found this more helpful: the origins of the use of κυριος

In spite of these fragments [a small number (about 3)], however, there are good reasons to believe that the use of κυριος (kyrios, ‘lord’) for יהוה (Yhwh) was widespread by the time the NT was written.

"Lord” was widely recognised to be a valid substitute for the divine name prior to NT times.

[Iscool]

"Lord” was widely recognised to be a valid substitute for the divine name prior to NT times.

Nope...

יְהֹוָה
yehôvâh
yeh-ho-vaw'
From H1961; (the) self Existent or eternal; Jehovah, Jewish national name of God: - Jehovah, the Lord. Compare H3050, H3069.יְהֹוָה yehôvâh yeh-ho-vaw' From H1961; (the) self Existent or eternal; Jehovah, Jewish national name of God: - Jehovah, the Lord. Compare H3050, H3069.

LORD is an English word...The word LORD with all capital letters is an English translation of the Hebrew word yehôvâh ...

To claim LORD in the OT is the same as Lord in the NT is goofy...