Abbhussakati & ˚usukkati

to go out over, rise above (acc.), ascend, freq. in phrase ādicco nabhaṃ abbhussakkamāno MN.i.317; SN.iii.156 = Iti.20
■ See also SN.i.65; SN.v.44; AN.i.242 (same simile); AN.v.22 (id.).

abhi + ud + ṣvaṣk, see sakkati