autos (Greek #846)
the reflexive pronoun self, used (alone or in the comparative 1438) of the third person , and (with the proper personal pronoun) of the other persons
KJV usage: her, it(-self), one, the other, (mine) own, said, (self-), the) same, ((him-, my-, thy- )self, (your-)selves, she, that, their(-s), them(-selves), there(-at, - by, -in, -into, -of, -on, -with), they, (these) things, this (man), those, together, very, which. Compare 848.
Pronounce: ow-tos'
Origin: from the particle αὖ (perhaps akin to the base of 109 through the idea of a baffling wind) (backward)
tereo (Greek #5083)
to guard (from loss or injury, properly, by keeping the eye upon; and thus differing from 5442, which is properly to prevent escaping; and from 2892, which implies a fortress or full military lines of apparatus), i.e. to note (a prophecy; figuratively, to fulfil a command); by implication, to detain (in custody; figuratively, to maintain); by extension, to withhold (for personal ends; figuratively, to keep unmarried); by extension, to withhold (for personal ends; figuratively, to keep unmarried)
KJV usage: hold fast, keep(- er), (pre-, re-)serve, watch.
Pronounce: tay-reh'-o
Origin: from τερός (a watch; perhaps akin to 2334)