[2] It is derived from Greek ambrosios, meaning (belonging to) immortal(s), god-like;[2] cf.
[2] Other variants include colloquial[2] and Old Church Slavonic[1] Ambrosy (Амбро́сий); additional colloquial variants include Afrosim (Афро́сим),[3] Ofrosim (Офро́сим),[3] Abrosy (Абро́сий),[1] Avrosim (Авро́сим),[1] Obrosim (Обро́сим),[1] Ambros (Амбро́с),[1] Abros (Абро́с),[1] and Obros (Обро́с).
[1] The diminutives of "Amvrosy" include Abrosya (Абро́ся),[1] Amvroska (Амвро́с(ь)ка),[2] and Rosya (Ро́ся).
[2] The patronymics derived from "Amvrosy" are "Амвро́сиевич"/"Амвро́сьевич" (Amvrosiyevich/Amvrosyevich; masculine) and "Амвро́сиевна"/"Амвро́сьевна" (Amvrosiyevna/Amvrosyevna; feminine).
[2] The patronymics derived from "Abrosim" are "Абро́симович" (Abrosimovich; masculine) and its colloquial form "Абро́симыч" (Abrosimych), and "Абро́симовна" (Abrosimovna; feminine).