A relative clause is a subordinate clause that modifies its noun head (also called its ‘antecedent’) in a way similar to that of attributive adjectives. Relatives in Rabbinic Hebrew are always introduced by a relative word (Kutscher 1959:34), which is almost exclusively -ש še- ‘that, which’. Sentences like אין לו מי יתירנו ʾen lo mi yattirennu ‘there is no one to render it permissible’ (Tosefta Menaḥot 6.20) are to be analyzed as containing a subject clause in the form of מי mi (subject) + יתירנו yattirennu (predicate), lit.: ‘there is no one: who will permit it’, and not as a s…