nachal (Hebrew #5158)
or nachalah (Ezekiel 47:19; 48:28) {nakh-al-aw'}; from 5157 in its original sense; a stream, especially a winter torrent; (by implication) a (narrow) valley (in which a brook runs); also a shaft (of a mine)
KJV usage: brook, flood, river, stream, valley.
Pronounce: nakh'-al
Origin: or (feminine) nachlah (Psalm 124:4) {nakh'-law}