'agrostologist' originates from Greek, specifically the word 'agrostis,' where 'agros' meant 'field' and '-logy' meant 'study of.'

'agrostis' transformed into the modern English word 'agrostologist' through the addition of the suffix '-logist,' indicating a specialist in the field.

Initially, it meant 'one who studies fields or grasses,' and this meaning has largely remained the same in modern usage.