1887, "environing, surrounding," from environment + -al (1). Ecological sense by 1967. Related: Environmentally (1884).
1923, as a psychological theory (in the nature vs. nurture debate), from environmental + -ism. The ecological sense is from 1972. Related: Environmentalist (n.), 1916 in the psychological sense, 1970 in the ecological sense.
c. 1400, "vegetables;" 1690s, "freshly cut branches used for decoration," from green (n.). Meaning "ecology political party" first recorded 1978, from German die Grünen (West Germany), an outgrowth of Grüne Aktion Zukunft "Green Campaign for the Future," a mainly anti-nuclear power movement, and/or grüne Listen "green lists" (of environmental candidates). Green (adj.) in the sense of "environmental" is attested in English from 1971; Greenpeace, the international conservation and environmental protection group, is from 1971.
initialism (acronym) for Environmental Protection Agency, U.S. federal agency proposed by President Richard Nixon and created in December 1970.
1892, from crunch (n.) + -y (2). Student slang sense of "annoyingly intense about health or environmental issues" is by 1990, short for crunchy granola (considered a natural and wholesome food) used as an adjective. It could be neutral or positive at first, but later often was dismissive. Related: Crunchiness.
1797, "environmental surroundings," used as a term in art for the arrangements that support the main effect of the piece, from French ambiance "atmosphere, mood, character, quality, tone," from Latin ambiens "a going around," present participle of ambire "to go around," from amb- "around" (from PIE root *ambhi- "around") + ire "go" (from PIE root *ei- "to go"). The notion of "going all around" led to the sense of "encircling, lying all around." Compare ambiance.
late 12c., "olive oil," from Anglo-French and Old North French olie, from Old French oile, uile "oil" (12c., Modern French huile), from Latin oleum "oil, olive oil" (source of Spanish, Italian olio), from Greek elaion "olive tree," from elaia (see olive).
Nearly all the European languages' words for "oil" (Croatian ulje, Polish olej, Hungarian olaj, Albanian uli, Lithuanian alejus, etc.) are from the Greek word; the Germanic (except Gothic) and Celtic one coming from Greek via Latin: Old English æle, Dutch olie, German Öl, Welsh olew, Gaelic uill, etc.
In English it meant "olive oil" exclusively till c. 1300, when the word began to be extended to any fatty, greasy liquid substance (usually flammable and insoluble in water). Often especially "oil as burned in a lamp to afford light" (as in midnight oil, symbolizing late work). Use for "petroleum" is recorded from 1520s but not common until 19c.
The artist's oils (1660s), short for oil-color (1530s), are paints made by grinding pigment in oil; oil-painting "art or craft of painting in oils" is by 1690s. The ocean-going oil-tanker is from 1900; oil-spill in the environmental catastrophe sense is by 1924. As a condiment, oil and vinegar is attested from 1620s. The figurative expression pour oil upon the waters "appease strife or disturbance" is by 1840, from an ancient trick of sailors.
Another historical illustration which involves monolayers, was when sailors poured oil on the sea in order to calm 'troubled waters' and so protect their ship. This worked by wave damping or, more precisely, by preventing small ripples from forming in the first place so that the wind could have no effect on them. [J. Lyklema, "Fundamentals of Interface and Colloid Science," Academic Press, 2000]
The phenomenon depends on what are called Marangoni effects; Benjamin Franklin experimented with it in 1765.