s 1 p 3 e 1 c 3 t 1 r 1 o 1 h 4 e 1 l 1 i 1 o 1 g 2 r 1 a 1 p 3 h 4
17 letters · 30 points in Scrabble
Meaning
originEtymology tree Latin speciō Proto-Indo-European *-trom Proto-Italic *-trom Latin -trum Latin spectrumbor. English spectrum English spectro- English heliograph English spectroheliograph From spectro- + heliograph.
Etymology from Wiktionary, CC BY-SA 3.0