English
instructer
From instruct + -er.
A compound of instruct + -er
Proto-Indo-European *strew- ‘to spread, strew’
…
Proto-Italic *strowō ‘to pile up’
Latin struō ‘pile up, arrange’
Latin īnstruō ‘I instruct’
Latin īnstrūctus ‘arranged’
English instruct
Today it means
noun One who instructs.
Language periods are conventional ranges, not dates for this word.
Etymograph / instructer