Origin: 1300–50; Middle English atachen <
Anglo-French atacher to seize,
Old French atachier to fasten, alteration of
estachier to fasten with or to a stake, equivalent to
estach(
e) (<
Germanic *stakka stake) +
-ier infinitive suffix
Related formsat·tach·a·ble, adjective
at·tach·er, noun
re·at·tach, verb
re·at·tach·a·ble, adjective
un·at·tach·a·ble, adjective
Synonyms
1. subjoin, append, add, annex.
Antonyms
1. detach.