WordofTheDay.US

registrar

/ˈɹɛd͡ʒ.ɪsˌtɹɑɹ/ noun

Latin root: registrārius Wiktionary

Origin

From Medieval Latin registrārius, from registrum (“register”) + -ārius (“agent of use”). See more at register. By surface analysis, register /registry (“a record”) + -ar.

From Wiktionary, via Kaikki.org (CC BY-SA)