From រឹល (rɨl, “dull, not sharp”) with prefixed bVN- (causative). <span class="searchmatch">ពង្រឹល</span> • (pŭəngrɨl) (abstract noun ការ<span class="searchmatch">ពង្រឹល</span>) to make dull or blunt, wear down...
(rɨl) From Proto-Mon-Khmer *ril (“blunt”). រឹល • (rɨl) (abstract noun ភាពរឹល) to be dull, blunt, not sharp (of a blade) គំរឹល (kumrɨl) <span class="searchmatch">ពង្រឹល</span> (pŭəngrɨl)...