ach

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ach^¹

/æt͡ʃ/

Where it comes from

From Middle English ache, from Old French ache, from Latin apium (“parsley”).

noun aches · ache

obsolete Any of several species of plants, such as smallage, wild celery, parsley.

ach^²

/æx/
/ɑx/
/əx/

interjection

An expression of annoyance. "Ach." Auntie frowned hugely. "That is all nonsense."
An expression of woe or regret.
alternative Alternative form of och

ACH^³

proper noun

US, abbreviation, initialism Initialism of Automated Clearing House, an electronic banking network often used for direct deposit and electronic bill payment.

noun ACHs

US, abbreviation, initialism Initialism of Advanced Combat Helmet

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MLA

"ach." Wiktionary, via Micwyn, micwyn.com/word/ach. Accessed 6 Nov. 2026.

APA

ach. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/ach

Chicago

"ach." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/ach.

BibTeX

@misc{ach_2026,
  title = {ach},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/ach},
  urldate = {2026-11-06}
}

ach