[*] 176. When a short ultima of the nominative is lengthened in an oblique case a. a proparoxytone becomes paroxytone: θάλαττα θαλάττης, ἄνθρωπος ἀνθρώπου. b. a properispomenon becomes paroxytone: μοῦσα μούσης, δῶρον δώρον. c. an oxytone becomes perispomenon in the genitive and dative of the second declension: θεός θεοῦ θεῷ θεῶν θεοῖς.
[*] 176. When a short ultima of the nominative is lengthened in an oblique case a. a proparoxytone becomes paroxytone: θάλαττα θαλάττης, ἄνθρωπος ἀνθρώπου. b. a properispomenon becomes paroxytone: μοῦσα μούσης, δῶρον δώρον. c. an oxytone becomes perispomenon in the genitive and dative of the second declension: θεός θεοῦ θεῷ θεῶν θεοῖς.