I. adverb Etymology: Middle English, from Old English seldan; akin to Old High German seltan ~ Date: before 12th century in few instances ; rarely , infrequently, II. adjective Date: 13th century rare , infrequent
SELDOM
Meaning of SELDOM in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012