verb/ty.twa.je/
to thou (to address (someone) using the informal second-person pronoun tu rather than the formal vous); to be familiar with, to be close to something
“Tutoyer la mort.” — To be no stranger to death
Antonyms: vouvoyer
From tu + -oyer with euphonic t; compare the Icelandic þúa, German duzen and English thou. Cognate with Portuguese tutear, Spanish tutear and Romanian tutui.