Where does “तन्द्रा” come from?

तन्द्रा (Sanskrit) comes from Sanskrit तन्द्, from Proto-Dravidian tand-, from Proto-Indo-European tend-, from Proto-Indo-European temh₂- — to stretch, string; to cut.

तन्द्रा (Sanskrit): lassitude, exhaustion, fatigue, laziness, sleepiness, weariness, sluggishness, syncope

Definitions

lassitude, exhaustion, fatigue, laziness, sleepiness, weariness, sluggishness, syncope

Ancestry of “तन्द्रा”, step by step

Step	Language	Word	Meaning
1	Sanskrit	तन्द्	to become relaxed
2	Proto-Dravidian	tand-	—
3	Proto-Indo-European	tend-	to stretch, to extend; to split, cut off
4	Proto-Indo-European	temh₂-	to stretch, string; to cut

Words derived from “तन्द्रा”

तंद्रा

Every word from Proto-Indo-European temh₂- →Every word from Proto-Indo-European tend- →Every word from Proto-Dravidian tand- →