Used to express dismay at a bad or unfortunate situation. Translations vary according to context, and may include uh-oh, ugh, oh no, my goodness, yuck, and too bad, among others.
köken: Etymology tree Proto-Indo-European *-eh₂-k-s Proto-Italic *-āks Latin -āx Proto-Indo-European *-yósder. Proto-Indo-European *-éyos Proto-Italic *-ejos Proto-Italic *-eos Latin -eus Latin -āceus Latin -aceum Italian -accioder. Esperanto -aĉ-bf. Esperanto aĉ Back-formation from -aĉ-.