For learning Khmer language it is necessary to know alphabets in Khmer. You have to know alphabets in Khmer to learn writing in Khmer language. Khmer alphabets are the building blocks of Khmer language. There are 53 characters in Khmer alphabets. Khmer alphabets are made up of Khmer vowels and Khmer consonants. The Khmer alphabets contain 20 vowels and 33 consonants. Khmer vs German gives a comparison between Khmer and German alphabets.
Khmer script is also known as Khmer writing system or Khmer orthography. The set of visible signs used to represent units of Khmer language in a systematic way is called Khmer Script. The Khmer language uses Khmer i.e. Khmer alphabets are derived from Khmer script. The script decides the writing direction of the any language, hence the writing direction of Khmer is Left-To-Right, Horizontal. Learn Khmer Greetings where you will find some interesting phrases.
Is Khmer hard to learn? The answer to this question is that it depends on one's native language. One should start learning Khmer language with Khmer alphabets and Khmer phonology.
Time taken to learn any language that is mentioned here is the approximate time required to learn specific language for the person who is proficient in English. You can also go through all Indian Languages and find if Khmer is one of the language of India.