English
emerger
From emerge + -er.
A compound of emerge + -er
Proto-Indo-European *mesg- ‘to plunge, dip’
…
Proto-Italic *mezgō
Latin mergō ‘to dip, to sink’
Latin ēmergō ‘to rise up or out’
Middle French emerger ‘to emerge’
English emerge
Today it means
noun The form of an aquatic insect that is hatching or emerging; used in fly fishing.
Language periods are conventional ranges, not dates for this word.
Etymograph / emerger