What is the meaning of Ach?

ISO 639-2 & ISO 639-3 language code for Acholi.

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

An expression of annoyance.

An expression of woe or regret.

Alternative form of och

eight (numerical value represented by the Arabic numeral 8; or describing a set with eight elements)

First-person plural inclusive general possessive; our (inclusive)

accusative of iart: you (plural; polite singular)

oh (an expression of grievance or displeasure)

ah! expresses surprise

oh, expresses compassion, surprise and dismay

ah! expresses surprise, fear, pleasure, sadness, sudden understanding

maybe

oh, expresses compassion, surprise and dismay

H-system spelling of

oh, alas (expressing surprise, sorrow, or understanding)

oh (preceding an offhand or annoyed remark)

oh (preceding an invocation or address, but rarely a solemn one)

but

except, but

but, only, merely

ah! och! ugh!

ah! expresses surprise, fear, pleasure, sadness, sudden understanding

o

eight

ah! expresses surprise, fear, pleasure, sadness, sudden understanding

An exclamation of impatience, disappointment, contempt, remonstrance.

expression of satisfaction or pleasure.

but

except, only

so that

ah! expresses surprise, fear, pleasure, sadness, sudden understanding

kinship

pedigree, ancestry

lineage

genealogy, family roots

yuck

Source: wiktionary.org