e 1 x 8 o 1 g 2 a 1 m 3 o 1 u 1 s 1
9 letters · 19 points in Scrabble
Meaning
adjective characterized by or fit for fertilization by a flower that is not closely related
adjective pertaining to or characterized by the custom of marrying only outside the limits of a clan or tribe
originexogamy + -ous or exo- + -gamous
Etymology from Wiktionary, CC BY-SA 3.0