This is the 6630th most frequent Russian word.
leolex
It seems "leolex" is not a standard Russian word. Could you clarify or check the spelling?
In this sentence, 'leolex' is presented as a newly coined term created by the speaker.
Леолекс - это слово, которое я только что придумал.
Leolex is a word that I just invented.
Here, 'leolex' is treated as a concept or term familiar to some audience, inviting inquiry.
Ты слышал что-нибудь о леолексе?
Have you heard anything about leolex?
In this case, 'leolex' is contextually defined as a word referring to something distinctive or exceptional.