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: 2 Search : lagoon
lagoon
  مرداب   
mordâb (#)

Fr.: lagune   

1) A body of seawater that is almost completely cut off from the ocean by a barrier beach.
2) The body of seawater that is enclosed by an atoll.

Lagoon, from Fr. lagune, from It. laguna "pond, lake," from L. lacuna "pond, hole," from lacus "pond;" → nebula.

Mordâb "lagoon," literally "dead water," from mord, mordé "dead" + âb "water."
The first element from mordan, mir- "to die," marg "death," mard "man;" Mid.Pers. murdan "to die;" O.Pers. marta- "dead," martiya- "man;" Av. mərəta- "died, dead," amərətāt- "immortality;" cf. Skt. mar- "to die," mriyáe "dies;" Gk. emorten "to die," ambrotos "immortal;" L. morior "to die" (Fr. mourir), mors, mortis "death" (Fr. mort), immortalis "immortal;" Lith. mirtis "mortal;" O.C.S. mrutvu "dead;" O.Ir. marb; Welsh marw "died;" O.E. morþ "murder;" PIE base *mor-/*mr- "to die."
The second element âb "water," from Mid.Pers. âb "water;" O. Pers. ap- "water;" Av. ap- "water;" cf. Skt. áp- "water;" Hitt. happa- "water;" PIE āp-, ab- "water, river;" cf. Gk. Apidanos, proper noun, a river in Thessalia; L. amnis "stream, river" (from *abnis); O.Ir. ab "river," O.Prus. ape "stream," Lith. upé "stream;" Latv. upe "brook."

Lagoon Nebula (M8, NGC 6523)
  میغ ِ مرداب   
miq-e mordâb (#)

Fr.: nébuleuse de la lagune   

A giant → H II region lying in the direction of → Sagittarius about 5,000 → light-years away. It represents a giant cloud of interstellar matter which is currently undergoing star formation, and has already formed a considerable cluster of young stars (NGC 6530).

lagoon; → nebula.