Historical clue formulations

• Neither fem. nor masc. — 2017-05-23
• Like some German nouns: Abbr. — 2012-05-11
• Like some Ger. nouns — 2010-04-03
• Neither masc. nor fem. — 2009-07-15
• Neither fem. nor masc. — 2009-06-29
• Like "das" in Ger. — 2008-04-02
• Like some nouns: Abbr. — 2004-12-18
• Like some nouns in Lat. — 2004-12-02
• Neither masc. nor fem. — 2003-12-07
• In the middle: Abbr. — 2003-03-22
• Not masc. or fem. — 1999-03-02
• Neither masc. nor fem. — 1998-08-31
• Not masc. or fem. — 1997-07-14