The Collaborative International Dictionary
Repercussing
Repercuss \Re`per*cuss"\ (-k[u^]s"), v. t. [imp. & p. p. Repercussed (-k?st");p. pr. & vb. n. Repercussing.] [L. repercusus, p. p. of repercutere to drive back; pref. re- re- + percutere. See Percussion.] To drive or beat back; hence, to reflect; to reverberate.
Perceiving all the subjacent country, . . . to
repercuss such a light as I could hardly look against.
--Evelyn.
Wiktionary
repercussing
vb. (present participle of repercuss English)