tse.phi.rah marks an impending calamity in Ezekiel and an honorific adornment for the remnant in Isaiah.

Its dominant attested use marks a calamity that has arrived or is near in Ezekiel; in Isaiah, its construct form appears in a description of the LORD’s glory for the remnant.

1. Impending calamity arriving · dominant

   In Ezekiel 7:7, the absolute singular form occurs with the announcement that the time has come and the day of tumult is near; the APB renders the clause, “The diadem has come upon you.” In Ezekiel 7:10, the same absolute singular form stands in the sequence announcing the day’s arrival, alongside the blossoming rod and sprouting arrogance; the APB renders, “the diadem has come out.”

   Ezekiel 7:7Ezekiel 7:10
2. Honorific adornment · occasional

   In Isaiah 28:5, the construct singular form occurs in the description of what the LORD of Hosts will become for the remnant of his people. The APB renders the surrounding phrase “a crown of beauty and a diadem of glory,”.

   Isaiah 28:5

In the Anselm Project Bible: The APB uses “diadem” in all three verses, presenting it as something that comes in Ezekiel and as part of a glory description in Isaiah. Its wording does not by itself settle the term’s precise contribution in each clause.