Of or relating to a group of people having common racial, ancestral, national, religious or cultural origins. / Characteristic of a foreign or a minority group's culture.

An ethnic person, especially a foreigner or member of an immigrant community. / (archaic) A heathen, a pagan. / (in classical scholarship) The demonym of an Ancient Greek city.

Pertaining to the (real or hypothetical) upper, purer air, or to the higher regions beyond the earth or beyond the atmosphere.

A folk etymology.

A misunderstanding of the etymology of a word based on an inexpert analysis; an etymology that incorrectly explains the origin of a word based on the inadequate judgement of a common speaker of the language instead of etymological expertise.

Alternative form of etc.

(uncountable) Existence without end, infinite time. / (uncountable, philosophy, theology) Existence outside of time. / (countable) A period of time which extends infinitely far into the future.

(organic chemistry) The univalent hydrocarbon radical, C₂H₅, formally derived from ethane by the loss of a hydrogen atom.

(organic chemistry, uncountable) An aliphatic hydrocarbon, C₂H₆, gaseous at normal temperatures and pressures, being a constituent of natural gas.

To cut into a surface with an acid or other corrosive substance in order to make a pattern. Best known as a technique for creating printing plates, but also used for decoration on metal, and, in modern industry, to make circuit boards.