"interruption of continuity, separation of parts which form a connected series," 1610s, from French discontinuation (14c.), from Medieval Latin discontinuationem (nominative discontinuatio), noun of action from past-participle stem of discontinuare (see discontinue (v.)).
mid-15c., cessacyoun "interruption, a ceasing; abdication," from Latin cessationem (nominative cessatio) "a delaying, ceasing, tarrying," noun of action from past-participle stem of cessare "to delay" (from PIE root *ked- "to go, yield").
1550s, "occurring or acting by turns, one after the other," present-participle adjective from alternate (v.). Electrical alternating current is recorded from 1839, an electrical current which flows alternately in opposite directions without interruption.
"removal or cutting away," early 15c., from Latin abscissionem (nominative abscissio) "a cutting off, a breaking off, interruption," noun of action from past-participle stem of abscindere "to cut off, divide, part, separate" (see abscissa).
c. 1400, resumen, "repossess, resume possession" (of goods, money, etc.); early 15c., "regain, take back, take to oneself anew" (courage, strength, hope, etc.); from Old French resumer (14c.) and directly from Latin resumere "take again, take up again, assume again," from re- "again" (denoting "repetition of an action;" see re-) + sumere "to take, obtain, buy," from sus‑, variant of sub‑ "up from under" + emere "to take" (from PIE root *em- "to take, distribute").
From mid-15c. as "recommence, continue (a practice, custom, occupation, etc.), begin again after interruption;" also "begin again." The intransitive sense of "proceed after interruption" is from 1802. Related: Resumed; resuming.
"characterized by continuity, not affected by disconnection or interruption," 1640s, from French continueus or directly from Latin continuus "joining, connecting with something; following one after another," from continere (intransitive) "to be uninterrupted," literally "to hang together" (see contain). Related: Continuously; continuousness.