English Wikipedia has an article on:

acar

Wikipedia

acar (countable and uncountable, plural acars)

1. A vegetable pickle of Maritime Southeast Asia, a local version of the Indian achar.

From Proto-Albanian *atsara, from Proto-Indo-European *h₂eḱrós, from the root *h₂eḱ- (“sharp”). Compare Old Irish aicher (“sharp, fierce, bitter”), Latin ācer (“pungent, acidic; sharp-minded”), Ancient Greek ἄκρος (ákros, “pointed, sharp; at the edge”), ἄκρον (ákron, “peak, sharp point, edge”).^[1]

• IPA^(key): [aˈt͡saɾ]

acar m (plural acare, definite acari, definite plural acaret)

1. bitter cold

   Synonym: thëllim

2. period of frost, coldness
3. (figurative) bitter, coarse, rough, brisk
4. dread
5. (figurative) astute, sharp-witted
6. (dated or regional) steel

acar (feminine acare)

1. exceedingly cold
2. clean, clear
3. neat (of a person's clothing, appearance)

acar

1. neatly
2. rudely
3. thorny

• FGJSSH: Fjalor i gjuhës së sotme shqipe [Dictionary of the modern Albanian language]‎^[1], 1980
• “acar”, in FGJSH: Fjalor i gjuhës shqipe [Dictionary of the Albanian language] (in Albanian), 2006

acar

1. kind of dish made of fried vegetables

Indonesian Wikipedia has an article on:

acar

Wikipedia ^id

• atjar (1947–1972)

From Malay acar, from Classical Malay اچر (acar), from Classical Persian آچار (āčār, “pickle, marinade”). Doublet of acara, acarya, ajar, and hajar.

• IPA^(key): /ˈat͡ʃar/

acar (plural acar-acar)

1. (cooking) pickle, achar

• “acar” in Kamus Besar Bahasa Indonesia, Jakarta: Agency for Language Development and Cultivation – Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia, 2016.

acar m (genitive singular acara)

1. Alternative form of acra (“tool, implement; service, convenience”)

• Ó Dónaill, Niall (1977) “acar”, in Foclóir Gaeilge–Béarla, Dublin: An Gúm, →ISBN

• IPA^(key): /at͡ʃar/
  • (non-rhotic) IPA^(key): [a.t͡ʃa]
  • (rhotic) IPA^(key): [a.t͡ʃar]
• Rhymes: -t͡ʃar, -ar
• Hyphenation: a‧car

Borrowed from Classical Persian آچار (āčār, “pickle, marinade”). Doublet of acara and ajar.

acar (Jawi spelling اچر, plural acar-acar)

1. (cooking) A pickle or achar.

   Synonym: jeruk

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

acar (Jawi spelling اچر, plural acar-acar)

1. (Kedah) A place for disposing of kitchen waste.

   Synonyms: acaran, limbah

• “acar” in Pusat Rujukan Persuratan Melayu | Malay Literary Reference Centre, Kuala Lumpur: Dewan Bahasa dan Pustaka, 2017.

From ac +‎ -ar, or possibly Latin ac(u)ārius. The final sense was based on French aiguilleur.

• IPA^(key): /aˈkar/

acar m (plural acari)

1. one who makes needles
2. a box with supplies for sewing, including needles, thread, etc.
3. (railways) switchman, pointsman

   Synonym: macagiu

• “acar”, in DEX online—Dicționare ale limbii române (Dictionaries of the Romanian language) (in Romanian), 2004–2025

acar

1. pickle

• Zufri Hidayat et al. (2015). Kamus Bahasa Simalungun–Indonesia (2nd ed.). Medan: Balai Bahasa Provinsi Sumatera Utara, p. 20.

• aker

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

This entry needs pronunciation information. If you are familiar with the IPA then please add some!

acar (Tifinagh spelling ⴰⵛⴰⵔ)

1. (transitive) to steal, to rob

This verb needs an inflection-table template.

• Causative: sacar (“to accuse of theft”)
• Passive: twacar (“to be stolen”)
• tukkarda (“theft”)
• amatcar (“thief”)