1) A large tract of land covered with trees and underbrush; woodland
M.E., from O.Fr. forest, probably from L.L. forestis (silva) "the outside woods," from L. foris "outside."
Jangal "a wood, forest, a vast land with plenty of trees;" cf. Skt. jangala- "arid , sparingly grown with trees and plants."
Lyman alpha forest
jangal-e Lyman-alpha (#)
Fr.: forêt Lyman alpha
The appearance of many differentially → redshifted→ Lyman alpha lines in → absorption in a → quasar's → spectrum, caused by intervening → hydrogen clouds along our → line of sight to the quasar.