Scottish National Dictionary (1700–)
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First published 1968 (SND Vol. VII).
This entry has not been updated but may contain minor corrections and revisions.
PER-, pref. Also par-. A pref. used with intensive force before nouns, verbs and occas. adjs., of somewhat infrequent occurrence. See e.g. Pardoos, Pergaddus, Perjink, Perlaigit, Perlaug. Pernicketie, Perskeet.[Prob. an extended usage of Lat. per- (and phs. also pre-, Lat. prae-), with sim. force, prefixed to non-Romance words. Cf. also Cur-, Gil-, prefs.]
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"Per- prefix". Dictionary of the Scots Language. 2004. Scottish Language Dictionaries Ltd. Accessed 10 Dec 2022 <http://www.dsl.ac.uk/entry/snd/per>