administratorius

Latin

(Classical Latin) IPA^(key): /ad.mi.nis.traːˈtoː.ri.us/, [äd̪mɪnɪs̠t̪räːˈt̪oːriʊs̠]
(modern Italianate Ecclesiastical) IPA^(key): /ad.mi.nis.traˈto.ri.us/, [äd̪minist̪räˈt̪ɔːrius]

administrātōrius (feminine administrātōria, neuter administrātōrium); first/second-declension adjective

Case / Gender	Masculine	Feminine	Neuter	Masculine	Feminine	Neuter
Number	Singular			Plural
Nominative	administrātōrius	administrātōria	administrātōrium	administrātōriī	administrātōriae	administrātōria
Genitive	administrātōriī	administrātōriae	administrātōriī	administrātōriōrum	administrātōriārum	administrātōriōrum
Dative	administrātōriō	administrātōriae	administrātōriō	administrātōriīs
Accusative	administrātōrium	administrātōriam	administrātōrium	administrātōriōs	administrātōriās	administrātōria
Ablative	administrātōriō	administrātōriā	administrātōriō	administrātōriīs
Vocative	administrātōrie	administrātōria	administrātōrium	administrātōriī	administrātōriae	administrātōria

“administratorius”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
administratorius in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
administratorius in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
administratorius in Ramminger, Johann (2016 July 16 (last accessed)) Neulateinische Wortliste: Ein Wörterbuch des Lateinischen von Petrarca bis 1700‎^[1], pre-publication website, 2005-2016

Ultimately from Latin administrātor, possibly via Russian администра́тор (administrátor).

administrãtorius m (plural administrãtoriai, feminine administrãtorė) stress pattern 1

administrator (one who administers affairs, whether civil, political, ecclesiastical, etc.)
savivaldybės administratorius ― municipal administrator

apaštališkasis administratorius ― apostolic administrator
(computing) administrator (one who is responsible for operation and maintenance of a system)
tinklo administratorius ― network administrator
receptionist (Can we add an example for this sense?)

Declension of administrãtorius