To blister; an archaic or dialectal form of the verb 'blister,' meaning to form or cause blisters.
Archaic or dialectal past tense or variant of 'blister.' This form appears in older English texts and some dialects, possibly influenced by similar verb patterns.
English verb conjugation used to be much more variable—'blist' for 'blister' shows how regional speakers and older texts had multiple acceptable past tenses before standardization forced us into one 'correct' form.
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