i.shon denotes the pupil in eye imagery and, in night expressions, the deep darkness likened to it.

The attested uses chiefly place the noun in expressions for the pupil of the eye, especially as an image of careful keeping or preservation; a smaller group uses it in phrases describing the darkness of night.

1. Pupil of the eye in protective imagery · dominant

   In Deuteronomy 32:10, Psalm 17:8, and Proverbs 7:2, the construct-form noun occurs in comparisons about being kept or guarded; the APB renders the clauses "kept him as the pupil of his eye," "Keep me as the pupil of the eye," and "my instruction as the pupil of your eye."

   Deuteronomy 32:10Proverbs 7:2Psalm 17:8
2. Pupil imagery in expressions of darkness · common

   In Proverbs 7:9, the construct-form noun occurs in a sequence about twilight, evening, night, and darkness; the APB renders "in the pupil of the night." Proverbs 20:20 likewise places the form in a darkness expression, rendered "in the pupil of darkness."

   Proverbs 20:20Proverbs 7:9

In the Anselm Paraphrase: The APB consistently uses "pupil" in the supplied clauses, joining it to "eye," "night," or "darkness." Because the paraphrase is not word-aligned, these renderings indicate the verse-level presentation rather than a precise token-by-token equivalence.