sog

• abbr. 对地航速（Speed Over Ground）；直布罗陀海峡（Strait of Gibraltar）

词源不确定， 可能与 soak 同源。

sog (n.)

"soft or marshy place," 1530s, of unknown origin. Also as a verb, "to become soaked; to soak" (mid-15c.), perhaps related to soak (v.) or from or related to similar words in Scandinavian.