Proto-Indo-European *(s)poH(y)-

→ English pumice (root)

→ English foam (root)

→ English foam (mention)

→ English spume (root)

→ English pounce (root)

→ Assamese ফেন (root)

→ Assamese ফেন (mention)

→ Latin pumex (root)

→ Latin pumex (derived)

→ Latin spuma (root)

→ Latin spuma (mention)

→ Ossetian фынк (inherited)

→ Russian пена (root)

→ Sanskrit फेन (root)

→ Sanskrit फेन (mention)