Finnish
Etymology
The temporal case of mikä; mi + -lloin.
Pronunciation
- IPA(key): /ˈmilːoi̯n/, [ˈmilːo̞i̯n]
- Rhymes: -ilːoin
- Syllabification(key): mil‧loin
Adverb
milloin (not comparable) (interrogative)
- when (at what time)
- Synonyms: koska, mihin aikaan, milloinka