Etymologies

Meaning

the study of the origin of words and the way in which their meanings have changed throughout history

from Greek ἔτυμος true, + λόγος, meaning - the science of the true, or original, meaning of words.

anomaly: from Greek ἀ, negative, + ὁμαλός, level - a construction which does not conform to the rule.
archaism: from Greek ἀρχαῖος, old - an expression belonging to an ancient form of any language
diphthong from Greek δι, twice + φθόγγος, sound - two vowel sounds produced as one, e.g. ‘Caesar’
euphony from Greek εὖ, well, + φονή, sound - that which sounds well.
idiom from Greek ἴδιος, private, peculiar - a mode of expression peculiar to a language.
pandemonium from Greek πᾶν all, + δαιμόνιον demon - all the demons. Coined by John Milton in Paradise Lost describing the full assembly of the demons in hell, which was characterized by wild and noisy disorder
parenthesis from Greek παρά, beside + ἔνθεσις, insertion - a word or phrase inserted in another phrase yet not grammatically connected with it.
synecdoche from Greek σύν, with + ἐκδόχη, from verb ἐκδέχομαι, to take from another - taking one thing together with another, hence a figure of speech in which a part is made to represent the whole or vice versa