Ugaritic

npš - Appetit, Begehren; Seele; Lebewesen, Mensch (appetit, desire; soul; living thing; human) (WUS 211)

One wonders whether the meaning “self” is actually attested in the extant Ugaritic sources

PS
*napš- - soul (as receptacle of vital energy) (Fronzaroli 1964: 21–23; Kogan 2015: 415)