tenebrae, ārum, pl. f., darkness, gloom; a hiding place.
tenebricōsus [tenebrae], adj., dark, gloomy.
[teneō, ēre, uī, tentus], to hold, keep; possess; maintain, guard, defend; seize.
ab—abstineō, ēre, uī, tentus, to hold back or from; keep aloof from; refrain from, abstain.
con—contineō, ēre, uī, tentus, to keep, hold, contain; restrain, rule, curb.
dē—dētineō, ēre, uī, tentus, to hold back or off; detain, hinder.
ob—obtineō, ēre, uī, tentus, to hold, possess; rule, govern.
per—pertineō, ēre, uī, —, to stretch out, extend; reach.
re—retineō, ēre, uī, tentus, to keep or hold (back), retain, detain.
sub(s)—sustineō, ēre, uī, tentus, to hold up, support, sustain; bear, endure; hold in check, restrain.