The story
- Mandarin · derived from熱河兒 /热河儿
- French · borrowed fromGeho-eul
- English todayJehol
Borrowed from French Geho-eul, from Mandarin 熱河兒 /热河儿 (Rèhér), from 熱河 /热河 (Rèhé, “Chengde, Rehe, Hot Creek”) + 兒 /儿 (ér, noun marker).
Etymology from Wiktionary, CC BY-SA 4.0.