at all; in any case; of any kind; in any way (used with generalizing force after who, what, when, where, how, any, all, etc., sometimes separated by intervening words):
in any way at all: used to emphasize or make less precise a word or phrase, usually in combination with what, where, when, how, etc, or else separated by intervening words Compare whatsoever
Word Origin and History for soever
adv.
1550s, from so + ever. "A word generally used in composition to extend or render indefinite the sense of such words as who, what, where, when, how, etc. ...." [Century Dictionary].