“…Because these prepositions and adverbials have a dual functional and lexical nature (or "mixed signs", as described by Weinreich 1963, p. 150), their categorical status has been a matter of debate. They are tentatively analyzed as (a) lexical, like other lexical categories (nouns, verbs, and adjectives; Chomsky 1970Chomsky , 1995Jackendoff 1977) As seen in ( 35), (36), and (37), these words seem to share the same root with fawq-a 'above', xalf-a 'back', xaarij-a 'outside', daaxil-a 'inside', and ʕabr-a 'through'. Their structures can be simply represented as in ( 38):…”