Where does “antidotal” come from?

antidotal (Portuguese) comes from Portuguese antídoto, from Latin antidotum, from Ancient Greek ἀντίδοτος, from Ancient Greek ἀντιδίδωμι, from Ancient Greek ᾰ̓ντῐ- — before, against; like; against.

antidotal (Portuguese): antidotal relating to or being an antidote

Definitions

antidotal relating to or being an antidote

Ancestry of “antidotal”, step by step

Step	Language	Word	Meaning
1	Portuguese	antídoto	antidote
2	Latin	antidotum	a remedy against poison; an antidote
3	Ancient Greek	ἀντίδοτος	given as a remedy for
4	Ancient Greek	ἀντιδίδωμι	I give in return, repay
5	Ancient Greek	ᾰ̓ντῐ-	before, against; like; against

Every word from Ancient Greek ᾰ̓ντῐ- →Every word from Ancient Greek ἀντιδίδωμι →Every word from Ancient Greek ἀντίδοτος →