Amatteyyatā (feminine) [from matteyyatā] irreverence towards one's mother D III 70, 71.
数字巴利辞典 DPD
(fem, fem, abstr, from na matteyya)
disrespect towards one's mother
disrespect towards one's mother
Construction: na > a + mātā + eyya + tā
amatteyya + tā