Where does “هپاتیت ب” come from?

هپاتیت ب (Persian) comes from Persian ب, from Arabic ب, from Arabic طَابَق, from Middle Persian tʾp̄k', from Proto-Iranian tāpaka-, from Proto-Iranian tap-, from Proto-Indo-European tep- — to be warm, be hot.

هپاتیت ب (Persian): hepatitis B

Definitions

hepatitis B

Ancestry of “هپاتیت ب”, step by step

هپاتیت ب traces back through two separate lines of ancestry.

via Persian ب

Step	Language	Word	Meaning
1	Persian	ب	B
2	Arabic	ب	Abbreviation of باب; with, by; with
3	Arabic	طَابَق	—
4	Middle Persian	tʾp̄k'	frying pan
5	Proto-Iranian	tāpaka-	heater {{non-gloss definition\|or}} baking place...
6	Proto-Iranian	tap-	to warm up, heat; flat
7	Proto-Indo-European	tep-	to be warm, be hot

via Persian هپاتیت

Step	Language	Word	Meaning
1	Persian	هپاتیت	hepatitis
2	French	hépatite	hepatitis
3	Latin	hēpatītis	—
4	Ancient Greek	ἧπαρ	liver
5	Proto-Hellenic	eyékʷər	—
6	Proto-Indo-European	Hyékʷr̥	liver

Every word from Proto-Indo-European tep- →Every word from Proto-Iranian tap- →Every word from Proto-Iranian tāpaka- →