Basis
来自Big Physics
late 16th century (denoting a base or pedestal): via Latin from Greek, ‘stepping’. Compare with base1.
wiktionary
From Latin basis, from Ancient Greek βάσις(básis), [1] from Proto-Indo-European *gʷémtis, derived from Proto-Indo-European *gʷem- (whence also come). Doublet of base.
etymonline
basis (n.)
1570s, "bottom or foundation" (of something material), from Latin basis "foundation," from Greek basis "a going, a step; a stand, base, that whereon one stands," from bainein "to go, walk, step," from PIE root *gwa- "to go, come." Transferred and figurative senses (of immaterial things) are from c. 1600.
