Squint
来自Big Physics
mid 16th century (in the sense ‘squinting’, as in squint-eyed): shortening of asquint.
wiktionary
Derived from asquint(“obliquely, with a sidelong glance”).
etymonline
squint (adj.)
1570s, "looking different ways; looking obliquely," shortened form of asquint (adv.). Meaning "looking indirectly" is from 1610s.
squint (v.)
1590s, from squint (adj.). Related: Squinted; squinting.
squint (n.)
"non-coincidence of the optic axes," 1650s, from squint (adj.). Meaning "sidelong glance" is from 1660s.