本来

1. originally, primarily

nouns which may take the genitive case particle 'no' noun (common) (futsuumeishi) adverb (fukushi)

2. essentially, intrinsically, naturally, by nature, in (and of) itself

adverb (fukushi) nouns which may take the genitive case particle 'no' noun (common) (futsuumeishi)

3. proper, rightful, legal, normal

nouns which may take the genitive case particle 'no' noun (common) (futsuumeishi)

本来の用途以外に使用しないでください。

tbd