English
limnologist
From limnology + -ist.
A compound of limnology + -ist
Proto-Indo-European *leǵ- ‘to gather, collect, with derivatives meaning…’
Proto-Indo-European *lóǵos
Proto-Hellenic *lógos
Ancient Greek λόγος ‘that which is said: word, sentence, speech,…’
English limnology
Today it means
noun A specialist in limnology.
Language periods are conventional ranges, not dates for this word.
Etymograph / limnologist