köken: From Old Armenian բան (ban, “word”). In Old Armenian it was used in Ancient Greek calques for translating λόγος (lógos) in words like θεολόγος (theológos) or θεολογία (theología), which were rendered as աստուածաբան (astuacaban) and աստուածաբանութիւն (astuacabanutʻiwn). The practice continues now in calquing international (Latin) words with -logy, -logist, etc.
a person who is occupied with, often but not necessarily implying a professional occupation · a person who follows an ideology or doctrine (often following a corresponding -ismo)
köken: Etymology tree Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íďďō Ancient Greek -ῐ́ζω (-ĭ́zō) Proto-Hellenic *-tās Ancient Greek -τής (-tḗs) Ancient Greek -ῐστής (-ĭstḗs)bor. Latin -istader. Esperanto -isto From Latin -ista.