| 释义 | | orbh- To turn, with derivatives referring to change of change allegiance or status. Oldest form *h3erbh‑, colored *h3orbh‑. Suffixed form *orbh-o‑, "bereft of father," also "deprived of free status."
 [Pokorny orbho‑ 781.]Suffixed form *orbh-o‑. In words referring to the act of turning:  Gastarbeiter, from Old High German arabeit(i), labor, from Germanic *arbaithi‑, perhaps from *orbo-iti‑, "a going of a turn," in reference to the repetitive nature of agricultural labor (*-iti‑, a going; see ei-);In words referring to orphans and persons of reduced or changed status: orphan, from Greek orphanos, orphaned;robot, from Czech robota, compulsory labor, drudgery, from Old Church Slavonic rabota, servitude, from rabŭ, slave, from Old Slavic *orbŭ.
Suffixed form *orbh-i‑. orb, orbicular, orbiculate, from Latin orbis, disc, sphere (< "that which turns");Further suffixed form *orbh-i-t‑.  orbit, from Latin orbita, rut, track made by a wheel.
Perhaps from this root is the Greek mythological name Orpheus (? < "he who goes to the other side" or "he who turns").  Orpheus, Orphic, Orphism.
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