easy, pleasasnt - from an Urdu (originally Persian)word 'khwshi' meaning 'happiness' or 'ease'. Came into English directly from India via British Army slang of the early 20th Century. Not to be confused with kushti which comes into English from Romany
happiness, in good order. Romany word used by super-chav Jamie Oliver. Kushtipen was once the English Romany word for 'happiness' from a Persian word meaning 'happiness' see kushti, kushty, cushti