Sunder

глагол [поэтическое] 1) разделяться 2) разделять; разлучать, разъединять Синоним(ы): separate, part

Большой англо-русский словарь

Sunder

verb (sundered; sundering) Etymology: Middle English, from Old English gesundrian, syndrian; akin to Old High German suntarōn to sunder, Old English sundor apart, Latin sine without, Sanskrit sanutar away transitive verb to break apart or in two; separate by or as if by violence or by intervening time or space intransitive verb to become parted, disunited, or severed Synonyms: see separate

Merriam-Webster's Collegiate Dictionary