WHEREAT

Etymology

Conjunction

whereat

at which, or toward which

because of which; whereupon

Anagrams

• weareth, weather, whate'er, wheater, wreathe

Source: Wiktionary

Where*at", adv.

1. At which; upon which; whereupon; -- used relatively. They vote; whereat his speech he thus renews. Milton. Whereat he was no less angry and ashamed than desirous to obey Zelmane. Sir P. Sidney.

2. At what; -- used interrogatively; as, whereat are you offended

Source: Webster’s Unabridged Dictionary 1913 Edition