Word Origin See more synonyms for semester on Thesaurus.com (in many educational institutions) a division constituting half of the regular academic year, lasting typically from 15 to 18 weeks. (in German universities) a session, lasting about six months and including periods of recess. Origin of semester 1820–30;
of six months duration <
) month +
adj. suffix (perhaps representing an earlier
Related forms se·mes·tral, se·mes·tri·al , [si- mes-tree- uh l] /sɪˈmɛs tri əl/ adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for semestrial (in some universities) either of two divisions of the academic year, ranging from 15 to 18 weeks (in German universities) a session of six months Derived Forms semestral, adjective Word Origin
C19: via German from Latin
sēmestris half-yearly, from sex six + mensis a month
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for semestrial semester n.
1827, from German
Semester "half-year course in a university," from Latin semestris, in cursus semestris "course of six months," from semestris, semenstris "of six months, lasting six months, half-yearly, semi-annual," from sex "six" (see six) + mensis "month" (see moon (n.)). Related: Semestral; semestrial.
Online Etymology Dictionary, © 2010 Douglas Harper