Where does “orthoamphibole” come from?

orthoamphibole (English) comes from English amphibole, from French amphibole, from Latin amphibolus, from Ancient Greek ἀμφίβολος, from Ancient Greek ἀμφί, from Ancient Greek ὀξύς, from Proto-Indo-European h₂eḱ- — sharp.

orthoamphibole (English): An amphibole with an orthorhombic structure

Definitions

An amphibole with an orthorhombic structure

Ancestry of “orthoamphibole”, step by step

Step	Language	Word	Meaning
1	English	amphibole	Any of a large group of structurally similar...
2	French	amphibole	amphibole
3	Latin	amphibolus	open to two interpretations; ambiguous
4	Ancient Greek	ἀμφίβολος	dubious, doubtful; wavering, hesitant, uncertain
5	Ancient Greek	ἀμφί
6	Ancient Greek	ὀξύς	sharp, pointed; sharp, keen; quick, hasty, swift
7	Proto-Indo-European	h₂eḱ-	sharp

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