ῥῖγ-ος, εος, τό,
frost, cold, [[ 8th c.BC: Odyssea Homerus Epicus “Odyssey” 5.472, 5th c.BC: Herodotus Historicus 6.44, etc.; ὑπὸ λιμοῦ καὶ ῥίγους 5th-6th c.BC: Plato Philosophus “Euthyphro” 4d; λιμῷ καὶ ῥίγει μαχόμενος 5th-6th c.BC: Xenophon Historicus “Institutio Cyri (Cyropaedia)” 6.1.15: _plural_, ῥίγη καὶ θάλπη [prev. author] “Oec.” 7.23. ] Refs 8th c.BC+]
__2 shivering, [[ 5th-6th c.BC: Plato Philosophus “Timaeus” 62b ] Refs 5th c.BC+]; shivering fit, as in ague, [[ 5th c.BC: Hippocrates Medicus “περὶ ἀρχαίης ἰητρικῇς” 16, “Aph.” 4.29, “BGU” 956.2 (3rd c.AD)] Refs 5th c.BC+]; ῥ. πυρετώδη [[ 5th c.BC: Hippocrates Medicus “περὶ ἀγμῶν” 34. ] Refs 5th c.BC+]