Where does “amfibolowy” come from?

amfibolowy (Polish) comes from Polish amfibol, from Ancient Greek ἀμφίβολος, from Ancient Greek ἀμφί, from Ancient Greek ὀξύς, from Proto-Indo-European h₂eḱ- — sharp.

amfibolowy (Polish): amphibole; amphibolic

Definitions

amphibole; amphibolic

Ancestry of “amfibolowy”, step by step

Step	Language	Word	Meaning
1	Polish	amfibol	amphibole
2	Ancient Greek	ἀμφίβολος	dubious, doubtful; wavering, hesitant, uncertain
3	Ancient Greek	ἀμφί
4	Ancient Greek	ὀξύς	sharp, pointed; sharp, keen; quick, hasty, swift
5	Proto-Indo-European	h₂eḱ-	sharp

Every word from Proto-Indo-European h₂eḱ- →Every word from Ancient Greek ὀξύς →Every word from Ancient Greek ἀμφί →