-ஆக

From the infinitive of ஆகு (āku, “to become”).

• IPA^(key): /aːɡɐ/

-ஆக • (-āka)

1. Forms adverbs from nouns

   Synonym: -ஆய் (-āy)

   ‎சீக்கிரம் (cīkkiram, “speed, quickness”) + ‎-ஆக (-āka) → ‎சீக்கிரமாக (cīkkiramāka, “quickly”)

2. for, for the sake of, for the purpose of

-ஆக • (-āka)

1. either...or
2. joined with a finite verb to indicate indirect speech

• -ஆன (-āṉa)
• ஆகு (āku)
• ஆ (ā)

• Johann Philipp Fabricius, Na. Kadirvelu Pillai, David W. McAlpin, Rajagopal Subramanian, University of Madras, Miron Winslow (2022) “-ஆக”, in Digital Dictionaries of South India [Combined Tamil Dictionaries]