GregOr 41 19.1.6 :ܐܝܟ ܗ݀ܝ ܕܚ݁ܓܐ/ܕܚܝܓܐ/ ܪܘܚܢܐܝܬ ܪܚ݁ܡ ܥܐܕܐ‏ : like that which the lover of the festival celebrates spiritually
See the entire entry for ḥgy vb. to celebrate a festival