persona non grata - unwelcome person⏎
qua - which; as⏎
ratio decidendi - reason for the decision⏎
qui tam - abbreviation of qui tam pro domino rege quam pro se ipso in hac parte sequitur, meaning "who pursues in this action as much for the king as himself".⏎
quo ante - as before⏎
per stirpes - by branch⏎
quasi - as if⏎
res gestae - things done⏎
pro tem - abbreviation of pro tempore, meaning "for the time being"⏎