PTS Pali-English dictionary - The Pali Text Society's Pali-English dictionary
Hasula
Hasula,(adj.) [fr.has] is rather doubtful (“of charming speech”? or “smiling”?).It occurs in (corrupted) verse at J.VI,503=Ap 40 (& 307),which is to be read as “aḷāra-bhamukhā (or °pamhā) hasulā sussoññā tanu-majjhimā.” See Kern’s remarks at Toev.s.v.hasula.(Page 730)