This is actually fairly common, as older words get adapted into “writing”. For example:

• Latin ⟨scribō⟩ I write ← PIE *(s)kreybʰ- “to scratch”
• English ⟨write⟩ ← PIE *wrey- “to rip”

They both backtrack to PIE… and as far as I know PIE did not have writing.