Where does “????” come from?

???? (Gandhari) comes from Sanskrit चन्दन, from Tamil சாந்து — Santalum tree.

Ancestry of “????”, step by step

StepLanguageWordMeaning
1Sanskritचन्दनsandalwood
2Tamilசாந்துSantalum tree
Every word from Tamil சாந்து →Every word from Sanskrit चन्दन →