transcription, транскрипция: [ -ə(r) ]
-or is used at the end of nouns that refer to people or things which perform a particular action.
...a major investor.
...the translator.
...an electric generator.
SUFFIX
-OR
Meaning of -OR in English
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006