che.qer denotes inquiry or examination, often emphasizing what cannot be fully investigated or reached.

The occurrences use the noun for inquiry, examination, or the reach of searching: it commonly marks divine works, greatness, understanding, years, or a king’s heart as beyond investigation, while other clauses speak of inquiry into God, earlier generations, a person’s glory, or deliberations of heart.

1. Inquiry or examination, including its limits · dominant

   In Isaiah 40:28 and Psalm 145:3, the absolute singular occurs where the APB renders God’s understanding and greatness as “unsearchable.” Job 5:9 and Job 9:10 likewise place it in statements that God’s great deeds are beyond being searched out, while Job 11:7 asks whether God can be searched out and Proverbs 25:27 warns against searching out one’s own glory. The construct forms also occur with investigation directed toward earlier generations in Job 8:8 and with the deep in Job 38:16; Judges 5:16 uses the plural construct in the phrase rendered “great searchings of heart.”

   Isaiah 40:28Job 11:7Job 5:9Job 8:8Judges 5:16Psalm 145:3

In the Anselm Project Bible: The APB variously presents the surrounding clauses with “unsearchable,” “beyond search,” “searching out,” “inquiry,” and “searchings of heart.” These renderings show the verses’ treatment of inquiry and its limits rather than fixed English equivalents for each form.