Where does “Honshu” come from?

Honshu is the English name for Japan's largest island, from Japanese 本州 (Honshū), literally "main province."

Ancestry of “Honshu”, step by step

Step	Language	Word	Meaning
1	Japanese	本州	main island
2	Middle Chinese	本	—

Honshu — Etymology, Origin & Word History | Etymology Explorer