14 letters · 33 points in Scrabble
noun the property of being water-repellent; tending to repel and not absorb water
originEtymology tree English hydrophobic Proto-Indo-European *-teh₂ Proto-Indo-European *-ts Proto-Indo-European *-teh₂ts Latin -itāsder. Old French -itebor. Middle English -ite English -ity English hydrophobicity From hydrophobic + -ity.
Etymology from Wiktionary, CC BY-SA 3.0