Where does “Sam” come from?

Sam (Tagalog) comes from English SAM, from Middle English sām, from Old English sāmen, from Proto-Germanic saman, from Proto-Germanic samanai, from Proto-Indo-European sem- — together, one.

Ancestry of “Sam”, step by step

StepLanguageWordMeaning
1EnglishSAMInitialism of surface-to-air missile; Initialism...
2Middle Englishsāmtogether
3Old Englishsāmentogether
4Proto-Germanicsaman—
5Proto-Germanicsamanaiat one; together
6Proto-Indo-Europeansem-together, one
Every word from Proto-Indo-European sem- →Every word from Proto-Germanic samanai →Every word from Proto-Germanic saman →