The story
From Japanese 片(かた)仮(か)名(な) (katakana).
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A Japanese syllabary used when writing words borrowed from foreign languages other than Chinese, specific names of plants and animals and other jargon, onomatopoeia, or to emphasize a word or phrase. Also used to write the Ainu language. Full definition →
From Japanese 片(かた)仮(か)名(な) (katakana).
Etymology from Wiktionary, CC BY-SA 4.0.