Meaning

adjective having a pair of equal and opposite charges

adjective characterized by opposite extremes; completely opposed

adjective located at or near or coming from the earth's poles

originEtymology tree Proto-Indo-European *kʷel-der. Proto-Indo-European *kʷól-os Proto-Hellenic *pólos Ancient Greek πόλος (pólos)der. Latin polus Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālis Latin -āris Late Latin polārislbor. English polar Learned borrowing from Late Latin polāris. By surface analysis, pole + -ar.

Etymology from Wiktionary, CC BY-SA 3.0