algogenesis

al·go·gen·e·sis

, algogenesia (al-gō-jen'ĕ-sis, -jĕ-nē'zē-ă),
The production or origin of pain.
[algo- + G. genesis, origin]

algogenesis

noun
(1) The production of pain (from Greek, algo-: pain).
(2) The lowering of temperature (from Latin, algor: cold); cryogenic.

al·go·gen·e·sis

, algogenesia (al-gō-jen'ĕ-sis, -jĕ-nē'zē-ă)
The production or origin of pain.
[algo- + G. genesis, origin]