quid tibi est

Literally, “what is to thee?”.

• (Classical Latin) IPA^(key): [ˈkʷɪt.tɪ.biːst], [ˈkʷɪt.tɪ.bɪst]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈkʷid ˈtiː.bi ˈɛst]

quid tibī est?

1. (idiomatic) what is it?, what's the matter?, what's wrong?, what ails you?
   • c. 203 BCE, Plautus, Cistellaria 3.1.11:

     [Melaenis] Quid tibī est?
     [Selenium] Alcēsimarchum nōn vidēs? Ferrum tenēt!

     What's wrong?
     Don't you see Alcesimarchus? He's got a sword!

• quid est?, quid reī est?