köken: Borrowed from Russian лексиколо́гия (leksikológija), from Ancient Greek λεξικός (lexikós, “of words”), from λέξις (léxis, “a saying, speech, word”), from λέγειν (légein, “to speak”).
lexicology (the part of linguistics that studies words, their nature and meaning, words' elements, relations between words including semantic relations, words groups and the whole lexicon)
köken: From சொல் (col, “word”) + -இயல் (-iyal, “-ology”).