Befall

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Old English befeallan ‘to fall’ (early use being chiefly figurative); related to German befallen .

wiktionary

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From Middle English bifallen, from Old English befeallan, from Proto-Germanic *bifallaną; equivalent to be- +‎ fall.

etymonline

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befall (v.)

Old English befeallan "to deprive of; fall to, occur to, be assigned to," from be- "by, about" + feallan (see fall). Compare Old Frisian bifalla, Old Saxon, Old High German bifallan, German befallen. Intransitive sense of "to happen, come to pass" is from c. 1300. Related: Befell; befalling.