"cut off or away, pare off," 1650s, from Latin resectus, past participle of resecare "to cut off, cut loose, curtail," from re-, here perhaps an intensive prefix (see re-), + secare "to cut" (from PIE root *sek- "to cut"). The surgical sense of "excising of some part," of a bone, etc., (1846) seems to be the sole surviving one. Related: Resected; resecting.

"capable of being cut or divided," 1620s, from Latin scissilis, from scindere "to cut" (from PIE root *skei- "to cut, split").

"cut out," 1570s, from French exciser, from Latin excisus, past participle of excidere "cut out, cut down, cut off; destroy," from ex "out" (see ex-) + -cidere, combining form of caedere "to cut down" (from PIE root *kae-id- "to strike"). Related: Excised; excising.

"capable of being cut or removed," mid-15c., from cut (v.) + -able.

word-forming element meaning "surgical removal," from Latinized form of Greek -ektomia "a cutting out of," from ektemnein "to cut out," from ek "out" (see ex-) + temnein "to cut" (from PIE root *tem- "to cut").

"decomposition into constituent parts by an electric current," 1834; the name was introduced by Faraday on the suggestion of the Rev. William Whewell, English polymath, from electro- + Greek lysis "a loosening," from lyein "to loosen, set free" (from PIE root *leu- "to loosen, divide, cut apart"). Originally of tumors, later (1879) of hair removal. Related: electrolytic.