Columbia subject headings:
Indo-European languages--Etymology.
Indo-European languages--Word formation.
Russian language--Etymology.
Russian language--Word formation.
Harvard subject headings:
Indo-European languages--Etymology.
Indo-European languages--Word formation.
Russian language--Etymology.
Russian language--Word formation.
Princeton subject headings:
Indo-European languages--Etymology.
Indo-European languages--Word formation.
Russian language--Etymology.
Russian language--Word formation.