Where does “Bahá'u'lláh” come from?

Bahá'u'lláh (English) comes from Persian بهاءالله, from Arabic [[بَهَاءُ]] [[ٱللّٰه]].

Ancestry of “Bahá'u'lláh”, step by step

Step	Language	Word	Meaning
1	Persian	بهاءالله	—
2	Arabic	[[بَهَاءُ]] [[ٱللّٰه]]	—

Bahá'u'lláh — Etymology, Origin & Word History | Etymology Explorer