Meaning of -ALLY in English

-ALLY

transcription, транскрипция: [ adverb suffix ]

Etymology: -al (I) + -ly

: -ly II

terrific ally

— in adverbs formed from adjectives in -ic with no alternative form in -ical

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.