Where does “mutagen” come from?

mutagen (Polish) comes from English mutagen, from English muta-, from English mutation, from Middle English mutacioun, from Old French mutacion, from Latin mutatio, from Latin -tiō, from Latin dissertātiō — small stone, pebble; gravel, rubble.

Ancestry of “mutagen”, step by step

StepLanguageWordMeaning
1EnglishmutagenAny agent or substance that can cause genetic...
2Englishmuta-Relating to mutation
3EnglishmutationAny alteration or change; Any heritable change of...
4Middle Englishmutaciounalteration, change, modification
5Old Frenchmutacionalteration; change
6Latinmutatiochange, alteration; interchange, exchange
7Latin-tiōtion, -ation, -ing
8Latindissertātiō(spoken) dissertation, discourse, disquisition
9Latindissertusarranged, disposed; explained
10Latindissereresecond-person singular future passive indicative...
11Latindis-asunder, apart, in two; reversal, removal;...
12Latincalceusshoe
13Latincalxlimestone; chalk; the finish line
14Ancient Greekχάλιξsmall stone, pebble; gravel, rubble
Every word from Ancient Greek χάλιξ