Rest in peace recapture of these words, read as "come and rest in peace," has been transferred to the ancient Talmudic prayers, in a mixture of Hebrew and Aramaic of the 3rd century AD. It is used to this day in traditional Jewish ceremonies. Other variations include "Requiescat in pace et in amore" for "May she rest in peace and love", and “In pace requiescat et in amore”. The word order is variable because Latin syntactical relationships are indicated by the inflexional endings, not by word order. If “Rest in peace” is used in an imperative mood, it would be “Requiesce in pace”
Phrase qualifies as a phrase, and the head-word gives its syntactic name, "subordinator", to the grammatical category of the entire phrase. But this phrase, "before that happened", is more commonly classified in other grammars, including traditional English grammars, as a subordinate clause (or dependent clause); and it is then labelled "not" as a phrase, but as a clause. Most theories of syntax view most phrases as having a head, but some non-headed phrases are acknowledged. A phrase lacking a head is known as exocentric, and phrases with heads are endocentric. Some modern theories of syntax introduce certain functional categories in which