2. kai

and

Reflexes - Pokorny

LanguageReflex(es)GlossGrammarSources
Balto-Slavic
Lithuaniankaĩas, whenconjRPN LRC
LatviankathatconjLRC
Latviankāas, likeadvLRC
Old Church Slavoniccěas, as alsoconjRPN LRC
Hellenic
GreekκαίandconjLRC