Where does “پکن” come from?

پکن (Persian) comes from French pékin, from Chinese Mandarin 北京, from Chinese Mandarin 京, from Proto-Sino-Tibetan s-gaŋ — hill, ridge, mountain.

Ancestry of “پکن”, step by step

StepLanguageWordMeaning
1FrenchpékinPekin
2Chinese Mandarin北京—
3Chinese Mandarin京—
4Proto-Sino-Tibetans-gaŋhill, ridge, mountain
Every word from Proto-Sino-Tibetan s-gaŋ →Every word from Chinese Mandarin 京 →Every word from Chinese Mandarin 北京 →