Erg (landform) when liquid methane rained and eroded the ice bedrock, possibly in the form of flash floods. Alternatively, the sand could also have come from organic solids produced by photochemical reactions in Titan's atmosphere. Erg (landform) An erg (also sand sea or dune sea, or sand sheet if it lacks dunes) is a broad, flat area of desert covered with wind-swept sand with little or no vegetative cover. The term takes its name from the Arabic word "ʿarq" (), meaning "dune field". Strictly speaking, an erg is defined as a desert area that contains more than of aeolian or wind-blown sand
Influence of Arabic on other languages used the Arabic cognates. In the newer translations this practice is discontinued. They now turn to Greek names or use the original Hebrew Word. For example, the name Jesus was initially translated as 'Isa (Arabic: عيسى), but is now spelt as Yesus. Several ecclesiastical terms derived from Arabic still exist in Indonesian language. The Indonesian word for bishop is "uskup" (from Arabic: اسقف usquf = bishop, ultimately from Ancient Greek "episkopos"). This in turn makes the Indonesian term for archbishop "uskup agung" (literally great bishop), which is combining the Arabic word with an Old Javanese word. The term imam (from