whereof C2 Topic:Grammar & Function Words US /wɛrˈʌv/ UK /weərˈɒv/ See IPA manual Freq #47148 Meanings 1 conj of which or of whom; now chiefly formal or archaic The archive contains five ledgers, whereof two are badly damaged. 2 adv of what; now chiefly in the expression know whereof one speaks Having survived the expedition, she knew whereof she spoke. Thesaurus Synonyms 1 conj · of which or of whom; now... of whichof whom 2 adv · of what; now chiefly in the... of what Word family Related forms thereofhereofwhereinwhereupon Etymology From Middle English wherof, a compound of where + of. It belongs to an older family of compound relatives and adverbs such as thereof, wherein, and whereupon. Topics Grammar & Function Words External links Cambridge Dictionary Wiktionary Google Images # whereof **Type:** Word **Level:** C2 **Part of speech:** conj, adv **IPA (US):** /wɛrˈʌv/ **IPA (UK):** /weərˈɒv/ **Frequency rank:** 47148 ## Meanings 1. of which or of whom; now chiefly formal or archaic 2. of what; now chiefly in the expression know whereof one speaks ## Examples - The archive contains five ledgers, whereof two are badly damaged. - Having survived the expedition, she knew whereof she spoke. ## Synonyms - of which - of whom - of what ## Related Forms - thereof - hereof - wherein - whereupon ## Etymology From Middle English wherof, a compound of where + of. It belongs to an older family of compound relatives and adverbs such as thereof, wherein, and whereupon. ## Topics - Grammar & Function Words markdown