Tax
Middle English (also in the sense ‘estimate or determine the amount of a penalty or damages’, surviving in tax (sense 4 of the verb)): from Old French taxer, from Latin taxare ‘to censure, charge, compute’, perhaps from Greek tassein ‘fix’.
wiktionary
From Middle English taxe, from Middle French taxe, from Medieval Latin taxa.
From Middle English taxen, from Anglo-Norman taxer(“to impose a tax”), from Latin taxāre, present active infinitive of taxō(“I handle”, “I censure”, “I appraise”, “I compute”).
etymonline
tax (v.)
c. 1300, "impose a tax on," from Old French taxer "impose a tax" (13c.) and directly from Latin taxare "evaluate, estimate, assess, handle," also "censure, charge," probably a frequentative form of tangere "to touch," from PIE root *tag- "to touch, handle." Sense of "to burden, put a strain on" first recorded early 14c.; that of "censure, reprove" is from 1560s. Its use in Luke ii for Greek apographein "to enter on a list, enroll" is due to Tyndale. Related: Taxed; taxing.
tax (n.)
early 14c., "obligatory contribution levied by a sovereign or government," from Anglo-French tax, Old French taxe, and directly from Medieval Latin taxa, from Latin taxare (see tax (v.)). Related: Taxes. Tax-deduction is from 1942; tax-shelter is attested from 1961.
