LATIN DICTIONARYLexicon Latīnum
noun · femininethird declension

extentiō

extentiō f (genitive extentiōnis)

Meaning

  1. extension (act of extending)

Declension

declension
formsingularplural
nominativeextentiōextentiōnēs
genitiveextentiōnisextentiōnum
dativeextentiōnīextentiōnibus
accusativeextentiōnemextentiōnēs
ablativeextentiōneextentiōnibus
vocativeextentiōextentiōnēs

extentĭo, ōnis, f. extendo,
I. a stretching out, extension: capitis, Theod. Prisc. 2, 1, 3; Vitr. 7, praef. § 11.—Plur., Vitr. 9, 1, 13 al.

Origins

Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin extentiō From extendō + -tiō.

Quick answers

What does extentiō mean in Latin?
extentiō, a noun, means “extension (act of extending)”.
What is the genitive of extentiō?
The genitive singular is extentiōnis. extentiō is feminine, third declension.