momentous etymology

English word momentous comes from English moment, English -ous

Detailed word origin of momentous

Dictionary entryLanguageDefinition
moment English (eng) (colloquial) A fit, a short-duration tantrum, a hissy.. (historical) A definite period of time, specifically one-tenth of a point, or one-fortieth or one-fiftieth of an hour.. (informal) A petit mal episode; such a spell.. (math) A quantitative measure of the shape of a set of points.. (math) An infinitesimal change in a varying quantity; an increment or decrement.. (physics, mechanics) The [...]
-ous English (eng) (chemistry) Used in chemical nomenclature to name chemical compounds in which a specified chemical element has a lower oxidation number than in the equivalent compound whose name ends in the suffix -ic. For example sulphuric acid (H2SO4) has more oxygen atoms per molecule than sulphurous acid (H2SO3). See Inorganic nomenclature.. Used to form adjectives from nouns, to denote possession or [...]
momentous English (eng) Outstanding in importance, of great consequence.

Words with the same origin as momentous

Descendants of moment
Descendants of -ous
advantageous analogy autonomous cancerous courageous courteous delirious flirtatious gorge gorgeous incestuous instantaneous miscellaneous monotonous murderous nauseous outrageous poisonous sensuous simultaneous spontaneous squeamish synonymous thunderous