Тихомир (Macedonian) comes from Macedonian мир, from Proto-Slavic mirъ, from Proto-Balto-Slavic meiˀrás, from Proto-Indo-European meyH-ró-s, from Proto-Indo-European mey- — to strengthen; to bind; to change, exchange.
Ancestry of “Тихомир”, step by step
Тихомир traces back through two separate lines of ancestry.