-ակ

From Old Armenian -ակ (-ak).

• (Eastern Armenian, standard) IPA^(key): [ɑk]

-ակ • (-ak)

1. forming diminutives

   գետակ ― getak ― rivulet

   տնակ ― tnak ― little house

2. forming names of things (tools) or people performing some action

   սուզակ ― suzak ― diver

   սահնակ ― sahnak ― sled, sleigh

• (diminutive): -իկ (-ik), -ուկ (-uk)

From Iranian *-ak, *-āk. Compare Middle Persian -k' (-ag), Persian ـه‎ (-e). The suffix in its agent-noun-forming function is found in the following wholly borrowed terms: դերձակ (derjak), վարձակ (varjak), պատմուճակ (patmučak), նուիրակ (nuirak) and perhaps աւազակ (awazak).

-ակ • (-ak)

1. forming diminutives from nominal stems

   աթոռ ― atʿoṙ ― chair

   աթոռակ ― atʿoṙak ― small chair

   նաւ ― naw ― ship

   նաւակ ― nawak ― boat

2. forming agent nouns from verbal stems

   գտանեմ ― gtanem ― to find, invent

   գտակ ― gtak ― inventor

   լողամ ― lołam ― to swim

   լողակ ― lołak ― swimmer

3. forming adjectives

   բոլորակ ― bolorak ― circular

4. forming nouns from verbs

   է ― ē ― is

   էակ ― ēak ― being

5. forming nouns from adjectives, adverbs and pronouns

   քանի ― kʿani ― how many?

   քանակ ― kʿanak ― quantity

• (diminutive): -իկ (-ik), -ուկ (-uk)

• Armenian: -ակ (-ak)

• J̌ahukyan, Geworg (1998), “-ակ”, in Hin hayereni verǰacancʿneri cagumə [The Origin of Old Armenian Suffixes] (Hayocʿ lezvi hamematakan kʿerakanutʿyan harcʿer; 2) (in Armenian), Yerevan: Anania Širakacʿi, pages 5–48
• Asatrjan, G. S. (2013), “Parfjanskoje gōsān [Parthian gōsān]”, in Toxtasʹjev S. R., Lurʹje P. B., editors, Commentationes Iranicae. Sbornik statej k 90-letiju Vladimira Aronoviča Livšica‎ (in Russian), Saint Petersburg: Nestor-Istorija, →ISBN, page 103