What does the word "Karma" mean?
Karma is a word that originated in ancient India. Karma is about cause and effect of action. It is use is acceptable as English because English adopts words by usage.
Good intents or deeds cause further good intents and deeds. Bad intents and deeds cause further Bad intents and deeds.
"What goes around comes around"
English words are those in use, particularly in written use by those who write and speak in English. Karma is a word used in English even though it origins are in India.