PTS Pali-English dictionary - The Pali Text Society's Pali-English dictionary
Sandhovika
Sandhovika,[fr.sandhovati] washing; kaṇṇa-sandhovikā khiḍḍā ear-washing sport or gambol (of elephants,with piṭṭhi° etc.) A.V,202.So probably for saṇadhovika at M.I,229,375.Cp.sāṇadhovana (?).(Page 678)
U Hau Sein’s Pāḷi-Myanmar Dictionary ပါဠိျမန္မာ အဘိဓာန္(ဦးဟုတ္စိန္)