Sinhalese uḷu (1)
According to Clough’s Sinhala English Dictionary, the Sinhalese word uḷu means “tiles used for covering houses.” It originates from the Tamil root iṭṭu through the transformation of iṭṭu > ishṭaka > uḷu.
uḷu
English words derived from iṭṭu connoting 'small'