skabs su

སྐབས་སུ
when, during, while, at the time of, at the occasion of [IW]

sometimes [RY]

now and then, when, just at (a time or place), while in the course of, on a certain occasion, during, sometimes, at the time of, on the occasion of, while, in the context of, from time to time [JV]

. . . skabs su - when . . . ; during . . . ; in the context of . . . [RB]

while; now and then/ at times/ when; when, during, while, at the time of, at the occasion of; at the time of, when, opportunity, occasion, chance [RY]