Wal, Spaw, yore mah kinna male chauvinist pig. As to the Latin origins of "pulchritude", the following may be of interest, but probably nopt:"You cannot modify a masculine noun with an adjective that follows this declension.You can say puella pulchra (beautiful girl) but NOT nauta pulchra. The adjectives that modify a masculine noun follow the second declension." When you are speaking of Marcus rather than Julia, in other words, you must say "pulcher est" rather than "pulchra est". And if pulchritude applied to males it would obviously be pulcherousness, pulcheritude, or some such.
A