Proto-Indo-European *(s)gʷes-

→ Irish bás (mention)

→ Scottish Gaelic bàs (mention)

→ Ancient Greek σβέννυμι (derived)

→ Manx baase (mention)

→ Lithuanian gesti (derived)

→ Latvian gaist (derived)

→ Latvian dzēst (inherited)

→ Middle Irish bás (mention)

→ Russian гаснуть (derived)

→ Russian гасить (root)

→ Sanskrit जासयति (mention)

→ Old Irish bás (mention)