An Etymological Dictionary of Astronomy and Astrophysics
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فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 1 Search : gyrate
gyrate
  لِریدن   
leridan

Fr.: tournoyer   

To move in a circle or spiral, or around a fixed point; to revolve in or as if in a spiral course. Close concepts: → revolve; → rotate; → spin. See also: → gyro-.

From L. gyratus, p.p. of gyrare "to turn around," from L. gyrus "circle," from Gk. gyros "circle, ring;" PIE base *geu- "to bend, curve."

Leridan, from Lori, Laki lerr "revolving, whirling, turning" (lerr dâye "to make rotate, to stir a liquid," lerese "to rotate, turn"), variant xer "circular, round" (xer dâyen "to make turn"), maybe cognate with Gk. gyros "circle, ring," as above; variants in Mod.Pers. lulé "rolled-up, wound-up; tube," lulé kardan "to roll up, wind up;" Hamadâni lul "spiral, twisted;" Kurd. lûl "curly (of hair)," garda-lûl, ~ lûlân "wind that whirls dust."