Where does “上様” come from?

上様 (Japanese) comes from Japanese 上, from Old Japanese うえ, from Proto-Japonic upay, from Sanskrit उपाय, from Sanskrit उप-, from Proto-Indo-Aryan upa-, from Proto-Indo-Iranian upa-, from Proto-Indo-European upo — under, up from under; up from under, over; up,...

上様 (Japanese): form of address or reference for an emperor, shogun, or other individual of high social status: noble superior, Majesty, Highness, lordship