(Internet slang, humorous) Verb suffix for past actions.

imperfective of 足る (taru) [godan]

time / an event, case, occasion, moment; a specific period in time / a time of something / a season / a tense / (literary) the time during which a narrative takes place

two o'clock

(usually with numbers) only

two, 2 / second

twelve o'clock; noon; midnight

while; during

interval / space / time / room / gap / pause

interval / during