English
idiomatology
From idiomatic + -ology.
Formed from idiomatic + -ology
Ancient Greek ῐ̓δῐόω
Ancient Greek ἰδίωμα ‘idiom’
Ancient Greek ἰδιωματικός ‘related to an idiom’
English idiomatic
The story
Contemporary use is traced to George W. Grace in the unpublished 1977 paper "Language: An Ethnolinguistic Essay". However, the term had been coined at least twice previously in the same sense.
Today it means
noun The study of idioms and idiomatic language
Language periods are conventional ranges, not dates for this word.
Etymograph / idiomatology