A variation for 'ahahh; Oh! (expressive of grief or surprise) -- ah, alas.
see HEBREW 'ahahh
H253. ach
III. אָח interjection (onomatopoetic) ah! alas! Ezekiel 6:11; 21:20. **18:10 אָח is a vox nihili (dittograph from following אחד: see Commentaries): in 21:10 also dubious (ᵐ5 εὖ), read אַח Ew Hi Sm Toy, חַדָּה Co Berthol, אַתְּ Oort Krae.