תהילים לח:יא פירוש: רש״י

engulfed Heb. סחרחר, surrounded by grief. This is one of the double words, like (Lev. 13: 49), “dark green (ירקרק), dark red (אדמדם),” (Ned. 66b) “round (סגלגל)” (Lam. 1:20), “my spirits are troubled (חמר מרו).”