Brahma Sutras
ॐ स्याच्चैकस्य ब्रह्मशब्दवत् ॐ ॥ २-३-५॥
And it is possible for the same word (“originated”) to have (primary and secondary senses) like the word Brahman.
english translation
OM syAccaikasya brahmazabdavat OM ॥ 2-3-5॥
hk transliteration by Sanscript