throughout

preposition

1. in or to every part of; everywhere in: They searched throughout the house.
2. from the beginning to the end of: He was bored throughout the play.

adverb

3. in every part: rotten throughout.
4. at every moment or point: following the text closely throughout.

preposition

1. right through; through the whole of (a place or a period of time)throughout the day

adverb

2. through the whole of some specified period or area

prep.late Old English þurhut; see through + out (adv.), and cf. German durchaus, 16c.