betide

The verb 'betide' is a native English formation, combining the intensive prefix 'be-' with the verb 'tide,' which originally meant "to happen" or "to befall." The root 'tide' itself is ancient, tracing back to the Proto-Germanic concept of time or a period, which also gave us the modern word 'tide' for the periodic rise and fall of the sea. Thus, the literal construction "to be thoroughly about a happening" evolved into its specific, though now archaic, literary sense of something occurring, especially with an ominous or fateful connotation. Its survival is largely in the fixed phrase "woe betide," warning of impending misfortune.

Structure: be + tide - be: A prefix of Germanic origin, used to form verbs with a sense of "about, around, thoroughly." - tide: From Old English 'tīdan', meaning "to happen, befall." This root is related to the noun 'tide' (time, season), from Proto-Germanic tīdiz.