See Amidst.
1. In or into the middle of; surrounded by; among
2. During
3. With the accompaniment of

ETYM Old Eng. amidde, amiddes, on midden, AS. on middan, in the middle, from midde the middle. The s is an adverbial ending, originally marking the genitive; the t is a later addition, as in whilst, amongst, alongst. Related to Mid.
1. Among, within a group.
2. In the middle of.

1. In between; SYN. 'tween.
2. In the interval; SYN. betwixt.

ETYM Old Eng. betwix, bitwix, rarely bitwixt, AS. betweox, betweohs, betweoh, betwîh; pref. be- by + a form from AS. twâ two. Related to Between.
1. In the space which separates; between.
2. From one to another of; mutually affecting.

Between.