Altitude
来自Big Physics
late Middle English: from Latin altitudo, from altus ‘high’.
wiktionary
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From Middle English, borrowed from Latin altitūdō(“height”), from altus(“high”).
etymonline
altitude (n.)
late 14c., "elevation above the horizon" (of stars, planets), from Latin altitudinem (nominative altitudo) "height, altitude," from altus "high," literally "grown tall," from PIE root *al- (2) "to grow, nourish." General sense "space upward, height, vertical extent" is from early 15c. Related: Altitudinal; altitudinous.