Rub al Kha·li 
(rb′ ăl kälē, äl älē) Sometimes called "the Empty Quarter."
(rb′ ăl kälē, äl älē) Sometimes called "the Empty Quarter." A desert region in the southeast interior of the Arabian Peninsula. Virtually without water and uninhabited, it has never been completely explored.
- Indo-European root: weik-
- Indo-European root: weip-
- Indo-European root: weiə-
- Indo-European root: wekti-
- Indo-European root: wekw-
- Indo-European root: wel-
- Indo-European root: wel-
- Indo-European root: welə-
- Indo-European root: wemə-
- Indo-European root: wen-
- Indo-European root: wen-
- Indo-European root: wer-
- Indo-European root: wer-
- Indo-European root: wer-
- Indo-European root: wer-
- Indo-European root: wer-
- Indo-European root: werg-
- Indo-European root: wers-
- Indo-European root: wes-
- Indo-European root: wes-
- Indo-European root: wes-
- Indo-European root: wes-pero-
- Indo-European root: wesr̥
- Indo-European root: wet-
- Indo-European root: wet-