Russian май

← Old Church Slavonic маи (borrowed)

← Proto-Indo-European *magya (derived)

← Proto-Indo-European *mégh₂s (derived)

← Latin māius (derived)

← Latin Maia (mention)

→ Southern Altai май (borrowed)

→ Northern Altai май (borrowed)

→ Kyrgyz май (borrowed)

→ Romanian Maiscoe (affix)

→ Romanian Maiovca (affix)

→ Russian майский (affix)

→ Russian первомайский (affix)

→ Tajik май (borrowed)

→ Turkmen maý (borrowed)

→ Tuvan май (borrowed)

→ Uzbek may (borrowed)