English word sankyu comes from Japanese アニメーション ((animation) animation, a cartoon.)

Detailed word origin of sankyu

Dictionary entry	Language	Definition
アニメーション	Japanese (jpn)	(animation) animation, a cartoon.
アニメ	Japanese (jpn)	(animation) an animation, a cartoon. (animation, anime) anime, Japanese animation.
anime	English (eng)	(countable) An animated work originated in Japan, regardless of the artistic style.. (rare, countable, chiefly, proscribed) An animated work, regardless of the country of origin.. (uncountable) An artistic style originating in, and associated with, Japanese animation, and that has also been adopted by a comparatively low number of animated works from other countries. , the resin of the courbaril.
サンキュー	Japanese (jpn)	(slang) thank you.
sankyu	English (eng)	(anime, _, fandom slang) thank you (Can we add an example for this sense?).