September is Etymology Month (23)

ВОСТОК [vostók] 'east'. 11th century, from ChSl., calqued from Gk. anatole 'rising, especially of the sun or moon' (cf. Gk. anatéllo 'i rise up'), thus the place where the sun rises (вос-/ana- 'upward' + ток, cognate with течь 'to flow', CSl *tekti 'flow, run') cf. Lat. oriens 'rising sun, east'.