From Middle English blissomen, of North Germanic origin, related to Old Norse blæsma (“to be in heat”). Compare also Icelandic blasma (“in heat”), Middle Dutch blesme.
blissom (third-person singular simple present blissoms, present participle blissoming, simple past and past participle blissomed)
blissom (comparative more blissom, superlative most blissom)
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “blissom”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)