PTS Pali-English dictionary - The Pali Text Society's Pali-English dictionary
Saṁvaṭṭa
Saṁvaṭṭa,(m.& nt.) [saṁ+vaṭṭa1] 1.“rolling on or forward” (opp.vivaṭṭa “rolling back”),with ref.to the development of the Universe & time (kappa) the ascending aeon (vivaṭṭa the descending cycle),evolution It.99; Pug.60; Vism.419; Sdhp.484,485.--°vivaṭṭa a period within which evolution & dissolution of the world takes place,a complete world-cycle (see also vivaṭṭa) D.I,14; A.II,142; It.15,99; Pug.60.(Page 656)
U Hau Sein’s Pāḷi-Myanmar Dictionary ပါဠိျမန္မာ အဘိဓာန္(ဦးဟုတ္စိန္)