The Hebrew word ehi (אֱהִי) is a rare exclamation expressing longing or distress — 'Where is it?' or 'Oh that!' It appears in Hosea 13:14 as a divine rhetorical challenge where God declares His power over Sheol and death.
Though rare, ehi in Hosea 13:14 carries extraordinary theological weight. God declares: 'Where, O death, are your plagues? Where, O grave, is your destruction?' This defiant challenge to death's power is quoted by Paul in 1 Corinthians 15:55 — 'Where, O death, is your victory? Where, O death, is your sting?' — as the triumphant cry of resurrection morning. The word that expresses longing in lament becomes the word of victory over the grave through Christ.