ach is an interjection marking an exclamatory response, explicitly spoken concerning Israel’s abominations in Ezekiel 6:11.

As an interjection, ach marks an exclamatory utterance: Ezekiel 6:11 places it within the commanded response to the house of Israel’s harmful abominations, while its specific contribution in Ezekiel 21:20 is not isolated by the translation.

1. Interjection in an exclamatory utterance · dominant

   Both occurrences are tagged as Particle · Interjection. In Ezekiel 6:11, the form is part of the command to strike, stamp, and speak concerning harmful abominations; the APB renders the utterance "Ah!" In Ezekiel 21:20, it occurs in a verse about setting the way for the sword, but the APB does not separately show its contribution.

   Ezekiel 6:11Ezekiel 21:20

In the Anselm Project Bible: In Ezekiel 6:11, the APB explicitly includes "Ah!" after the command to speak. In Ezekiel 21:20, the translation gives the sword-setting instruction without an identifiable separate rendering.