Where does “baitsid” come from?

baitsid (Old Irish) comes from Old Irish bathais, from Old Irish baithes, from Latin baptisma, from Ancient Greek βάπτισμα, from Ancient Greek βαπτίζω, from Ancient Greek βάπτω, from Proto-Hellenic gʷápťō, from Proto-Indo-European gʷh₂bʰ-yé-ti — to dive, dive in.

Ancestry of “baitsid”, step by step

baitsid traces back through two separate lines of ancestry.

via Old Irish bathais

StepLanguageWordMeaning
1Old Irishbathaisbaptism; the order of baptism, the baptismal...
2Old Irishbaithesbaptism
3Latinbaptismaablution; a dipping or washing in water; baptism;...
4Ancient Greekβάπτισμαbaptism
5Ancient Greekβαπτίζωto dip, plunge; to immerse; to drown, sink
6Ancient GreekβάπτωI dip, submerge; I dye, colour; I baptise
7Proto-Hellenicgʷápťōto dip, submerge
8Proto-Indo-Europeangʷh₂bʰ-yé-ti
9Proto-Indo-Europeangʷeh₂bʰ-to dive, dive in

via Old Irish baithis

StepLanguageWordMeaning
1Old Irishbaithis
Every word from Proto-Indo-European gʷeh₂bʰ-Every word from Proto-Indo-European gʷh₂bʰ-yé-tiEvery word from Proto-Hellenic gʷápťō