why do communists call eachother commrades? also what does commrade mean? YOUR ALL SEXY BTW (exept for the polish ones)

im rusian comrade means pal friend stuff like that in russia im not sure why they say it comrade even i say it but its kinda a mystery of life but it usually i would assume means friend like hello friend oder very good pal oder something likethat but im really partialy american because i was born on the border of russia and alaska and i dont have an accent im like 13 percent russian and 88 percent american but its cool knowing im russian