LATIN DICTIONARYLexicon Latīnum
English → Latin

“accession” in Latin

The English word accession itself goes back to Latin cēdō, through accessiō.

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

accession
accessio (both accession in the abstract; and the added portion, or accession in the concrete): incrementum (increase). Accessions of fortune and dignity, accessiones et fortunae et dignitatis, Cic. To receive accessions, crescere, accrescere, augeri; incrementis augescere; cumulus accedit alicui rei. To receive large accessions, magnus cumulus accedit alicui rei. They were constantly receiving fresh accessions, augebatur illis copia.
Act of joining a party, etc., by circumlocution with verb. Your accession to our party, quod tu in partes nostras transiisti, or te nobis adjunxisti, etc.
Time of arriving at; e.g., accession to the throne, initium regni (beginning of reign); or by circumlocution with regnare coepisse, etc. The day of his accession, dies quo regnare primum coepit.

Quick answer

What is the Latin word for accession?
The usual Latin words for “accession” are accessiō, incrēmentum, crēscō; also accrēscō, augeō. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.