The name that is transliterated as “Cainan” or “Kenan” in English is translated in Libras (Brazilian Sign Language) with a sign that combines “four” (for the fourth generation after Adam) and “possession” (a possible meaning of the name). (Source: Missão Kophós )
“Cainan” in Libras (source )
See also Cainan (son of Arphaxad) and Enos / Enosh.
For more information on translations of proper names with sign language see Sign Language Bible Translations Have Something to Say to Hearing Christians .