Heb 12:3 :ܠܵܐ ܬܸ݁ܬ݂ܪܲܦܸ݁ܐ ܢܲܦ݂ܫܟ݂ܘ݂ܢ‏ : let your mind not slacken
See the entire entry for rpy vb. to be lax