micromagnetic

Etymology tree
Proto-Indo-European *mey-der.?
Ancient Greek μικρός (mikrós)der.
English micro-
Old French magnetebor.
Pre-Greekbor.?
Ancient Greek Μάγνης (Mágnēs)
Ancient Greek μᾰ́γνης (mắgnēs)bor.
Latin magnēsbor.
Middle English magnete
English magnet
Proto-Indo-European *-ikos
Proto-Italic *-ikos
Latin -icuslbor.
Old French -iquebor.
Middle English -ik
English -ic
English magnetic
English micromagnetic
From micro- + magnetic.