-kshən noun
( -s )
Etymology: Latin reliction-, relictio act of leaving behind, from relictus (past participle of relinquere ) + -ion-, -io -ion
: the gradual withdrawal of the water in the sea, a lake, or a stream leaving permanently exposed and uncovered land whose title then vests in the abutting owner of adjacent land ; also : the land so left uncovered — compare accretion