9 letters · 16 points in Scrabble
originEtymology tree Proto-Indo-European *bʰeh₂- Proto-Indo-European *bʰéh₂os Proto-Hellenic *pʰáwos Ancient Greek φᾰ́ος (phắos) Ancient Greek φῶς (phôs) Ancient Greek φωτο- (phōto-)der. English photo- Latin tuba Latin tubusder. Middle French tubeder. English tube English phototube From photo- + tube.
Etymology from Wiktionary, CC BY-SA 3.0