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Origin and history of additament

additament(n.)

c. 1400, "anything added, an increase or increment," from Latin additamentum "an increase," from past-participle stem of addere "to add" (see add).

Entries linking to additament

late 14c., adden, "to join or unite (something to something else)," from Latin addere "add to, join, attach, place upon," literal and figurative, from ad "to" (see ad-) + -dere, combining form meaning "to put, place" (reconstructed to be from PIE root *dhe- "to put, set").

The intransitive meaning "to do sums, do addition" also is from late 14c. Related: Added; adding. To add up is from 1754; in the figurative meaning "make sense," by 1942. Adding machine "machine to cast up large sums" is from 1822.

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