Yeah, I think I only heard that one in the past five years or so...apparently it's just now making its way into the mainstream.

Hygge, the Norwegian word for cozy, follows a similar trend but stronger:
https://books.google.com/ngrams/graph?content=hygge%2Chaimish%2C+heimish&case_insensitive=on&year_start=1800&year_end=2000&corpus=15&smoothing=3&share=&direct_url=t4%3B%2Chygge%3B%2Cc0%3B%2Cs0%3B%3Bhygge%3B%2Cc0%3B%3BHygge%3B%2Cc0%3B.t4%3B%2Chaimish%3B%2Cc0%3B%2Cs0%3B%3Bhaimish%3B%2Cc0%3B%3BHaimish%3B%2Cc0%3B.t4%3B%2Cheimish%3B%2Cc0%3B%2Cs0%3B%3Bheimish%3B%2Cc0%3B%3BHeimish%3B%2Cc0

This reminds me of a description i've read for English: "We don't just borrow words; on occasion, English has pursued other languages down alleyways to beat them unconscious and rifle their pockets for new vocabulary."