Word Origin Study
This page is the CodyCross answer for the clue below from Farm, Group 474, Puzzle 4 (Toxic Emissions).
Question is: Word Origin Study
and the answer is: ETYMOLOGY
Word Meaning:
ETYMOLOGY — (uncountable, linguistics) The scientific study of the origin and evolution of a word's semantic meaning across time, including its constituent morphemes and phonemes.
Definitions from Wiktionary.