Where′up‐on″ (?), adv. Upon which; in consequence of which; after which.
The townsmen mutinied and sent to Essex; whereupon he came thither. Clarendon.
Webster's Dictionary 1913
Where′up‐on″ (?), adv. Upon which; in consequence of which; after which.
The townsmen mutinied and sent to Essex; whereupon he came thither. Clarendon.