noun | indicator provided by the stationary arm whose shadow indicates the time on the sundial

gno-mon (6 letters | 2 syllables)

1546 (European Renaissance) (479 years ago)

Latin | Modern Greek

gnomons

indicator

Solomon

(none among common words)

gnomon.com | gnomon.org

Early astronomical instrument (based on all New York Times crossword puzzles 1994 to 2009)

9 (International English) | 9 (North American English)

(???) ?46-6666