Word Origin & History
be-
weak form of O.E. bi "by," probably cognate with second syllable of Gk. amphi, L. ambi and originally meaning "about." This sense naturally drifted into intensive (cf. bespatter "spatter about," therefore "spatter very much"). Be- can also be privative (cf. behead), causative, or have just about any sense required. The prefix was productive 16c.-17c. in forming useful words, many of which have not survived, e.g. bethwack "to thrash soundly" (1555), betongue "to assail in speech, to scold" (1639).
