Intense etymology in English

Etymology Blog

English word intense comes from Latin tendo, Latin ingratus (Thankless. Ungrateful. Unpleasant, disagreeable.), Latin tendere

Dictionary entry	Language	Definition
tendo	Latin (lat)	I pitch (a tent).. I proceed.. I stretch, stretch out, distend, extend.. I strive for; I reach for.
ingratus	Latin (lat)	Thankless. Ungrateful. Unpleasant, disagreeable.
tendere	Latin (lat)
intendo	Latin (lat)	(Medieval Latin) I obey (+ dative). (New Latin) I understand. I aim, turn, direct.. I intend to. I stretch out, stretch, strain.. I turn my attention to, focus (on).
intensus	Latin (lat)	Attentive. Intense. Intent, eager.
intense	Middle French (ca. 1400-1600) (frm)
intense	English (en)	Extreme in degree; excessive.. Extreme in size or strength.. Strained; tightly drawn.. Stressful and tiring.. Strict, very close or earnest.. Very severe.

Intense etymology