Meanings
ach1
ach2
ACH3
- USabbreviationinitialismbankingInitialism of Automated Clearing House, an electronic banking network often used for direct deposit and electronic bill payment.
plural ACHs
- USabbreviationinitialismgovernmentInitialism of Advanced Combat Helmet.
Origin
- Latinapium“parsley”
- Old Frenchache
- Middle Englishache
- Englishach
From Middle English ache, from Old French ache, from Latin apium (“parsley”).
More words from Middle English, Old French, Latin
Full word history & related roots →Rhymes & wordplay
Anagrams
Cite this entry
ach. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/ach
“ach.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ach. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “ach,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/ach.
Source: ach on Wiktionary, CC BY-SA 4.0.