[1350–1400; ‹ L dōtātiōn- (s. of dōtātiō), equiv. to dōtāt(us), ptp. of dōtāre to provide a dowry for (deriv. of dōs dowry; cf. dot2) + -iōn- -ion; r. ME dotacioun ‹ AF]This word is first recorded in the period 1350–1400. Other words that entered Englishat around the same time include: absolute, index, kick, register, train-ion is a suffix, appearing in words of Latin origin, denoting action or condition, usedin Latin and in English to form nouns from stems of Latin adjectives (communion; union), verbs (legion; opinion), and esp. past participles (allusion; creation; fusion; notion; torsion)