cumulus的词源

英文词源

cumulus (n.)

1650s, "a heap," from Latin cumulus "a heap, pile, mass, surplus," from PIE *ku-m-olo-, suffixed shortened form of root *keue- "to swell" (compare Sanskrit svayati "swells up, is strong," Greek kyein "to swell," Lithuanian šaunas "firm, solid, fit, capable"). Meteorological use for "rounded mass of clouds" first attested 1803.

中文词源

cumulus：积云

来自PIE*keue,膨胀，成堆，词源同church,cave.

该词的英语词源请访问趣词词源英文版：cumulus 词源，cumulus 含义。