PTS Pali-English dictionary - The Pali Text Society's Pali-English dictionary
Pavattar
Pavattar,[n.ag.of either pa+vac or pa+vṛt,the latter more probable considering similar use of parivatteti.The P.commentators take it as either] one who keeps up or keeps going,one who hands on (the tradition),an expounder,teacher D.I,104 (mantānaṁ p.=pavattayitar DA.I,273); S.IV,94; Dh.76 (nidhīnaṁ p.=ācikkhitar DhA.II,107).(Page 443)