8 letters · 13 points in Scrabble
adjective being the exact same one; not any other:
originPIE word *swé From Middle English self sam, self same, selve same (“the very same, selfsame”) [and other forms], from self (“that specific (person mentioned), herself, himself, itself, themselves”, pronoun) (from Old English self, ultimately from Proto-Indo-European *swé (“self”)) + sam, same (“(adjective) equal, identical; unchanging; referred to earlier, abovenamed, aforementioned; (adverb)…
Etymology from Wiktionary, CC BY-SA 3.0