Old English þū

→ English thou (inherited)

→ English thou (inherited(en/sco))

→ Bengali তুমি (cognate)

→ Middle English þe (mention)

→ Middle English þou (inherited)

→ Old High German du (cognate)

→ Ancient Greek σύ (cognate)

→ Old Frisian thu (cognate)

→ Sanskrit त्वम् (cognate)